CNX


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesIssued
us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems
us-gaap:ProductOrService

us-gaap:Revenues
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems
us-gaap:MajorCustomers
us-gaap:ProductOrService
us-gaap:CostOfGoodsAndServicesSold

us-gaap:OperatingExpenses
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:CostsAndExpenses
us-gaap:ConsolidatedEntities

us-gaap:InterestExpense
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:InterestExpenseDebt

us-gaap:OtherNonoperatingIncomeExpense
us-gaap:ConsolidationItems

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:ConsolidationItems
us-gaap:DebtInstrument

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:NonoperatingIncomeExpense

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLoss
us-gaap:ConsolidatedEntities

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:FairValueByMeasurementBasis

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:Goodwill
us-gaap:BusinessAcquisition

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:LongTermDebtCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
us-gaap:LiabilitiesNoncurrent

us-gaap:LongTermDebt
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetIncomeLoss
us-gaap:ConsolidatedEntities

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInInventories

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:ShareBasedCompensation
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:AmortizationOfFinancingCosts

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:ConsolidatedEntities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:UnrecognizedTaxBenefits

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

cnx:AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall
us-gaap:StatementEquityComponents
us-gaap:SubsidiarySaleOfStock
us-gaap:CreditFacility, dei:LegalEntity
cnx:CreditFacilityDebtCovenantSecuredLeverageRatio
us-gaap:Range, us-gaap:CreditFacility, dei:LegalEntity
us-gaap:CreditFacility, dei:LegalEntity
cnx:CreditFacilityDebtCovenantTotalLeverageRatio
us-gaap:Range, us-gaap:CreditFacility, dei:LegalEntity
us-gaap:Range, us-gaap:CreditFacility
cnx:DebtInstrumentNetLeverageRatio
us-gaap:DebtInstrument
cnx:DebtInstrumentPurchaseofOutstandingDebt
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

cnx:EPDepreciationDepletionandAmortization
us-gaap:ConsolidatedEntities
cnx:GatheringRevenueExcludingRelatedParty
us-gaap:ConsolidatedEntities
cnx:GeneralandAdministrativeExpenseExcludingRelatedParty
us-gaap:Range, us-gaap:CreditFacility, dei:LegalEntity
cnx:MaximumInterestRatioperCreditFacilityCovenant

cnx:NetProceedsfromRevolverMLP
us-gaap:ConsolidatedEntities
cnx:OperatingExpenseExcludingRelatedParty
us-gaap:SubsidiarySaleOfStock
cnx:PaymentsForPurchaseOfCappedCallRelatedToConvertibleDebt

cnx:PaymentsOnLongTermNotesIncludingRedemptionPremium

cnx:ProductionRoyaltyInterestsandPurchasedGasCosts
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems
cnx:RelatedPartyExpenseGatheringFee

cnx:SegmentReportingCapitalExpenditures
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:CommonStockDividendsPerShareCashPaid
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:Range, us-gaap:VariableRate
us-gaap:Range, us-gaap:VariableRate, dei:LegalEntity
us-gaap:VariableRate
us-gaap:VariableRate, dei:LegalEntity
us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1
us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleThresholdTradingDays
us-gaap:ConsolidatedEntities
us-gaap:Depreciation
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNonmonetaryNotionalAmountVolume

us-gaap:EquityMethodInvestmentDividendsOrDistributions
us-gaap:Range, us-gaap:OptionIndexedToIssuersEquityEquity, us-gaap:SubsidiarySaleOfStock
us-gaap:ForwardContractIndexedToIssuersEquityForwardRate

us-gaap:GainLossOnDispositionOfAssets1
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:GainLossOnOilAndGasHedgingActivity
us-gaap:ConsolidationItems, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems
us-gaap:Energy, us-gaap:DerivativeInstrumentRisk

us-gaap:GainLossOnSaleOfCommodityContracts
us-gaap:Energy, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:GainLossOnSaleOfDerivatives

us-gaap:GainLossOnSaleOfOtherAssets

us-gaap:GoodwillImpairmentLoss

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems

us-gaap:IncreaseDecreaseCashCollateralFromCounterparties

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInIncomeTaxes

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:MinorityInterestPeriodIncreaseDecrease
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseExpense

us-gaap:OtherAmortizationOfDeferredCharges

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherExpenses

us-gaap:OtherOperatingIncome
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProductionTaxExpense
us-gaap:ConsolidatedEntities
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
us-gaap:ConsolidatedEntities
us-gaap:RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfOtherDebt

us-gaap:ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities

us-gaap:ResultsOfOperationsImpairmentOfOilAndGasProperties
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty
us-gaap:ConsolidatedEntities
us-gaap:RevenueFromRelatedParties

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationForfeited
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation
us-gaap:AwardType
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts
us-gaap:Energy, us-gaap:DerivativeInstrumentRisk
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:VariableInterestEntityOwnershipPercentage
us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:SubsequentEventType

cnx:AccountsPayabletoAffiliatesAccruedbutUnpaidGatheringServices

cnx:AccruedTransportationCharges
us-gaap:CreditFacility, us-gaap:SubsequentEventType
cnx:DebtInstrumentBorrowingBase

cnx:DrillingCost

cnx:GasGatheringSystemsNet

cnx:GasWellsAndRelatedEquipment
us-gaap:CreditFacility
cnx:LettersOfCreditAmountOutstanding
us-gaap:CreditFacility, dei:LegalEntity

cnx:OtherGasAssets

cnx:SurfaceLandAndOtherEquipment

cnx:TotalDeferredCreditsAndOtherLiabilities

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccruedRoyaltiesCurrentAndNoncurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulOtherReceivablesCurrent

us-gaap:AssetRetirementObligationCurrent

us-gaap:AssetRetirementObligationsNoncurrent
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
us-gaap:AssetsNoncurrent
us-gaap:CreditFacility
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscountCurrent
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedPremiumCurrent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsGross

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeAssets

us-gaap:DerivativeAssetsCurrent
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAssetsNoncurrent
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:Position
us-gaap:DerivativeBasisSpreadOnVariableRate

us-gaap:DerivativeLiabilitiesCurrent
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeLiabilitiesNoncurrent
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount

us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ConsolidationItems
us-gaap:EquityMethodInvestments

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FiniteLivedCustomerRelationshipsGross

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:IncomeTaxesReceivable
us-gaap:ConsolidationItems

us-gaap:InterestPayableCurrent
us-gaap:ConsolidationItems
us-gaap:InvestmentsAndCash
us-gaap:CreditFacility
us-gaap:LineOfCredit
us-gaap:CreditFacility, dei:LegalEntity
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:CreditFacility, dei:LegalEntity

us-gaap:LongTermDebtFairValue

us-gaap:OtherAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:OtherAssets

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:OtherReceivablesGrossCurrent

us-gaap:OtherReceivablesNetCurrent

us-gaap:PrepaidExpenseCurrent

us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:UnamortizedDebtIssuanceExpense
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:LimitedPartnersCapitalAccountByClass, us-gaap:SubsequentEventType
us-gaap:UnitsOfPartnershipInterestAmount
us-gaap:StatementScenario, us-gaap:LimitedPartnersCapitalAccountByClass, us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Tables

  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▁▁▁▁▁▃▃▄▅▆▇███████████████████████▇▇▇▇▇1.8781.8741.871.871.8791.9641.992.0552.1382.192.2412.3052.3042.3042.2982.2982.2982.2972.2942.2942.2942.2912.3062.3052.3052.3012.2942.2922.2912.2892.2842.2782.2762.2752.2732.2732.2732.2732.273NANANA
 us-gaap:CommonStockSharesIssued us-gaap:StatementClassOfStock us-gaap:CommonStock▁▁▁▁▁▃▃▄▅▆▇██████████████████████████187.431492187.035851186.642962186.586751187.559362196.052504198.663342205.147139213.420535218.639873223.743322230.090909230.067466230.034586229.443008229.43891229.433854229.363247229.145736229.053634229.001412228.680338229.145736230.177923230.165816229.829983229.145736228.936248228.834765228.609116228.129467227.655437227.628661227.542426227.289426227.289426227.289426NA227.289426NANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementClassOfStock us-gaap:CommonStock▇▇▇▇▇▇▇▇▇█████████▁███▁██████████████187.431492187.035851186.642962186.586751187.559362196.052504198.663342205.147139213.420535218.639873223.743222230.090909230.067466230.034586229.443008229.43891229.433854229.3632470.0229.053634229.001412228.6803380.0230.177923230.165816229.829983229.145736228.936248228.80001228.574361228.094712227.620682227.593906227.507671227.056212226.695195226.695195NA226.162133NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁187.316463186.918361NA188.430959192.780732197.475702NA212.708082218.92996224.182536NA230.080797232.198396229817.169NA231518.585229409.325229259.228NA229352.127228.928803230.446699NA230.174256230.061395230.867526NA228.876336228.72198228.318123229.934465227.654395229.252185230.124011229.31437229.163537229.138024228814.838228.169569228.092299228.081103184.348982
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁187.316463186.918361NA187.448749191.524289197.475702NA210.238509215.99149221.930165NA230.080797230.058422229817.169NA229438.612229409.325229259.228NA229036.172228.928803229.734412NA230.174256230.061395229.526033NA228.876336228.72198228.318123227.898021227.654395227.548394227.269269226.971597226.744011226.647752226350.594225.854413225.781539225.715539181.72648
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█6.9172187.667526NA3.7767243.1185487.93257NA3.3726623.2280533.54455NA9.1057514.6419968.988979NA5.4548838.8458787.150863NA5.2392536.0765562.722254NA6.4842446.7153470.359488NA6.7756246.9143948.665061NA8.0784133.0176491.687475NA1.1757260.989571157.937NA0.8191890.824709827.437
us-gaap:EarningsPerShareBasic ▃▂▂▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▅▅-7.8e-07-1.76e-06-1.4499999999999999e-066.2e-078.5e-07-4.4e-075.1e-075.9e-071.9e-072.38e-061.2e-06-1.1e-077.4e-07-1.7000000000000001e-07-1.33e-061.1e-07-2.05e-06-4.3e-071.3e-075.2e-07-2.64e-063.4000000000000003e-073.2e-07-1e-08-1.1e-075.1e-073.22e-06-2.8e-07-5.0000000000000004e-08-1e-086.6e-07-5.0000000000000004e-086.7e-074.3e-078.6e-077.4e-073.4000000000000003e-078.5e-074.6000000000000004e-073.3e-073e-075.5e-07
us-gaap:EarningsPerShareDiluted ▃▂▂▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▅▅-7.8e-07-1.76e-06-1.4499999999999999e-066.1e-078.4e-07-4.4e-075e-075.9e-071.9e-072.35e-061.2e-06-1.1e-077.3e-07-1.7000000000000001e-07-1.33e-061.1e-07-2.05e-06-4.3e-071.3e-075.2e-07-2.64e-063.4000000000000003e-073.2e-07-1e-08-1.1e-075e-073.2000000000000003e-06-2.8e-07-5.0000000000000004e-08-1e-086.5e-07-5.0000000000000004e-086.7e-074.2e-078.5e-077.3e-073.4000000000000003e-078.4e-074.6000000000000004e-073.3e-072.9e-075.4e-07
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▃▄▄▄▅▃▄▄▄▄▄▅▆▄▄▅▄▄▅▅▅▆▆▆▆▆▁▇▇▇▇▇█▇████▇▇▇▇148.841416.359504.747529.997605.032278.431431.66397.126402.124405.623460.251671.283865.952317.763462.022745.578285.8558.514761.932813.938648.939889.592935.665884.616937.37969.153-438.0531231.4181216.681289.641388.9611160.0891454.4871426.771542.2081521.7291587.9281465.3771357.3211349.2931289.3471240.06
us-gaap:Revenues ▃▄▄▄▅▃▄▄▄▄▄▅▆▅▄▅▄▄▅▅▅▆▆▆▆▆▁▇▇▇▇▇█▇████▇▇▇▇148.841416.359504.747529.997605.032278.431431.66397.126402.124495.729460.251671.283865.952698.709462.022745.578285.8558.514761.932813.938648.939889.592935.665884.616937.37969.153-438.0531231.4181216.681289.641388.9611160.0891454.4871426.771542.2081521.7291587.9281465.3771357.3211349.2931289.3471240.06
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:NaturalGasGatheringTransportationMarketingAndProcessing▁▅▅▄▅▄▃▂▄▅█▇▅60.02583.24286.32280.19384.61479.40971.99868.90775.76786.261103.16698.76986.599NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:OilAndGasExplorationAndProduction▁▁█▂▂▁▁▁▁▁▄▂▅3.313.88829.486.0755.5673.2582.6323.3213.6992.3814.0934.47919.717NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses ▂██▃▃▃▃▃▃▃▇▂▂▂▂▂▂▂▁▂▃▃▃▃▃▃▃▃▃▃262.512843.3797.239298.599331.804308.827314.677275.799312.686323.801748.538207.772201.091199.815212.023182.717217.465215.074107.154173.178271.284311.583336.226339.216347.541326.849352.455328.393329.934335.015NANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▄▆▃▄▄▄▃▃▄▂▃▅▅▅▅▅▅▅▅▅█▆▆▆▆▆▁▇▇▇▇▇▇▇▇▇█▇▇▇▇▆307.973874.163182.035337.135371.547354.641148.48193.692371.832-263.511214.05670.176625.136786.0701.409630.152619.164635.647602.642630.3251544.169836.165855.967887.649961.091838.974-473.0441220.8441214.8711290.9391190.5481191.461242.8321308.1931304.5381321.3071489.1441214.31218.8641258.1531193.1991097.892
us-gaap:InterestExpense ▆▆▄▅▅▄▄▄▅▅▄▅▅▅▆▆▆▆▆▆▆▇▆▇█▆▇▇▇▆▆▇▇▇▇▇█████▁46.25648.99537.05138.40540.15235.77133.22235.72338.43838.55132.07641.50243.43244.43346.86747.31747.42749.86649.08248.55846.50755.12253.02555.39764.21150.93155.00156.30154.51853.37851.27254.07556.59358.1258.38158.88464.59766.48265.41966.4365.0388.145
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType cnx:Convertible225SeniorNotesDue2026,us-gaap:ConvertibleDebt3.78NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▂▂▄▃▄▄▇▃▃▆█▁▂▂-4.799-5.186-0.105-3.4390.0990.5799.759-1.105-0.5756.49313.978-8.25-5.475-4.075NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▂▂▄▃▄▄▇▃▃▆█▁▂▂-4.547-5.0130.182-3.1090.5011.039.76-1.105-0.5756.49313.977-8.254-5.475-4.075NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt ▇█▇▇▇▆▇▆▅▆▇▇▇▇▇▇▇▇▇▇▇▂▇▅▁▇▇▇▇-0.34411.2630.00.0-0.077-7.5370.315-15.385-23.413-15.635-0.896-2.019-0.0360.8220.00.00.00.00.00.0-0.017-67.7340.0-20.99-74.2770.00.00.00.0NA0.00.00.0NA0.00.0-16.09NA0.00.00.0NA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▆█▆▆▆▄▆▃▁▃▆▅▆▆-0.34411.2630.00.0-0.077-7.5370.315-15.385-23.413-15.635-0.896-2.019-0.0360.822NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument cnx:SeniorNotesdueApril2022▁█-0.34411.263NA0.0-0.077-15.6350.3150.0-8.098-7.537-0.8960.0-0.036NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic ▄▃▄▆▆▄▅▆▅█▅▅▆▄▄▅▃▄▅▆▁▅▅▅▅▅▅▅▅▅▆▅▆▅▆▆▅▆▅▅▅▅-159.132-457.804-290.453192.862233.485-76.21105.703203.43430.292759.24-36.0521.107240.816-87.291-239.387115.426-333.364-77.133159.29183.613-895.2353.42779.698-3.033-23.721130.17934.99110.5741.809-1.299198.413-31.371211.655118.577237.67200.42298.784251.077138.45791.1496.148142.168
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▁▂▂▁▁▁▂▃▁█▂▂▃2.83518.29335.135-0.1090.811-2.36418.144117.83-39.628623.89716.82535.47129.07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems us-gaap:OperatingSegments▄▁▂██▅▇▇▆▇▆▅▆▄-161.967-476.097-325.588192.971232.674-73.84687.55985.60469.92135.34371.685-46.73650.695-135.176NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,cnx:CNXM█▁30.296-429.544NANA44.41432.584NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:ExplorationAndProductionEquipment▁█-192.263-46.553NANA188.26-106.43NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,us-gaap:Subsegments,us-gaap:SubsegmentsConsolidationItems us-gaap:OperatingSegments,us-gaap:ExplorationAndProductionEquipment,cnx:CoalbedMethane,us-gaap:ReportableSubsegments█▁6.5146.156NANA7.60312.899NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,us-gaap:Subsegments,us-gaap:SubsegmentsConsolidationItems us-gaap:OperatingSegments,us-gaap:ExplorationAndProductionEquipment,cnx:MarcellusShale,us-gaap:ReportableSubsegments▁█57.62964.324NANA50.38186.931NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,us-gaap:Subsegments,us-gaap:SubsegmentsConsolidationItems us-gaap:OperatingSegments,us-gaap:ExplorationAndProductionEquipment,cnx:OtherGas,us-gaap:ReportableSubsegments▁█-263.934-127.666NANA112.335-239.277NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,us-gaap:Subsegments,us-gaap:SubsegmentsConsolidationItems us-gaap:OperatingSegments,us-gaap:ExplorationAndProductionEquipment,cnx:UticaShale,us-gaap:ReportableSubsegments▁█7.52810.633NANA17.94133.017NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▁▁▂▁▁▁▁▃▁█▁▂▃▁-45.461-30.863-2.203-38.536-39.743-45.814-15.07582.107-59.146587.312-23.493-3.36288.387-40.863NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▅▃▄▆▆▅▅▆▅█▂▅▆▄▆▆▄▅▇▆▁▅▅▅▅▅▃▆▅▅▆▅▆▅▆▅▅▆▆▅▅▆-28.646-152.582-50.39748.90240.791-11.559-23.71256.678-31.102213.694-216.4226.75866.993-53.78981.80852.858-100.354-26.847124.96458.143-291.929-25.6036.032-1.3881.2148.489-122.95674.62314.6220.52248.773-19.89858.94521.38142.03533.09321.458.92833.99615.75725.24834.286
us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest ▃▁▂▅▅▃▅▅▄█▆▃▅▃▁▄▂▃-130.486-305.222-240.056143.96192.694-64.651129.415146.75661.394545.546286.035-25.651173.823-33.502-321.19562.568-234.044-43.291NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▃▃▃▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▅▅-130.486-305.222-240.055143.96192.694-64.651101.927146.75661.394545.546276.644-25.651173.823-33.502-301.63127.593-468.649-96.45834.326125.47-603.30179.0373.666-1.645-24.935116.003736.797-63.651-12.526-1.821149.64-11.473152.7197.196195.635167.32977.384192.149104.46175.38370.9107.882
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▅▇███▇▇▆▆▆▁▃▃▄▄▃▃▃▃15.26323.86431.35328.42230.21722.68627.48821.72719.3817.983-10.5670.794.3135.4644.4132.2481.1791.1143.92NANANANANANANA-0.444-0.398-0.287-0.257-0.263-0.105NANA0.00.00.00.0NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:Parent█▁-145.749-329.086NANA162.477-87.337101.927125.02942.014527.563276.643-26.44169.51-38.966-306.04425.347-469.833-97.57230.406NANANA73.666-1.645-24.934116.003738.183-63.651-12.526-1.564149.903-11.368152.73997.196195.635167.32977.384192.149NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▃▂▂▅▅▄▅▅▅█▆▄▅▄▂▄▁▄▅-145.749-329.086-271.409115.538162.477-87.337101.927125.02942.014527.563276.643-26.44169.51-38.966-306.04425.347-469.833-97.57230.406NANANA73.666-1.645-24.934116.003738.183-63.651-12.526-1.564149.903-11.368152.73997.196195.635167.32977.384192.149NANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▁█0.1110.112NANA0.0410.044-0.3320.0221.8120.171.7983.4643.4643.502-50.087-11.153-3.158-12.298-63.742-69.955-11.337-19.4634.82203.795-9.065-25.533324.77913.87279.1254.44952.449-46.347-39.59887.708NANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▃▂▃▄▄▃▄▄▄▆▅▃▄▃▂▄▂▃▃▄▁▄▄▄▃▄█▃▄▄▄▃▄▄▄▄▄-130.375-305.11-244.883144.001192.735-64.607129.083146.77863.206545.716267.874-22.187177.287-30.0-351.71816.44-471.807-108.756-29.41655.515-614.63859.56778.486202.15-34.090.471062.518-50.17766.3122.628202.089-57.82113.112184.904199.772216.989102.533NANANANANA
us-gaap:NetIncomeLoss ▃▂▃▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▄▅-145.749-329.086-271.408115.538162.477-87.337101.927125.02942.014527.563276.644-26.441169.51-38.966-306.04725.345-469.828-97.57230.405118.98-603.30179.0373.666-1.645-24.935116.003738.183-64.049-12.813-1.564149.903-11.368152.73997.196195.635167.32977.384192.149104.46175.38366.668100.269
 us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary▁█32.845.79NANA46.46334.976NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▃▂▂▄▄▃▄▄▄▆▅▃▄▃▂▄▂▃▃▄▁▄▄▄▃▄█▃▄▄▄▃▄▄▄▄▄▄-145.638-328.974-276.236115.579162.518-87.293101.595125.05143.826527.733278.407-22.966172.985-35.452-356.39314.192-472.986-109.87-33.33649.025-614.63859.56778.486202.15-34.090.471062.962-49.77966.5992.885202.352-57.715113.141184.904194.977216.989102.533190.783NANANANA
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▅▇███▇▇▆▆▆▁▃▃▄▄▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▄15.26323.86431.35328.42230.21722.68627.48821.72719.3817.983-10.5670.794.3135.4644.4132.2481.1791.1143.926.490.00.00.00.00.00.0-0.444-0.398-0.287-0.257-0.263-0.105-0.0290.00.00.00.00.00.00.04.2327.613
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▃▃▄▄▄▃▃▃▃▂▁▃▄▄▄▄▄▆▆▆▆▇▇▇▇▇▆████████▇▇▇▇▇▇▅8319.6848528.959060.8069286.2589146.6978777.3618592.178209.0368207.7588122.2296931.9138979.5689025.1929063.7699183.9819565.4949784.75710715.8710929.90211185.36611002.10111781.39611759.5311718.93511566.64711584.47511393.66712737.07212752.92812593.19412670.90912556.59412597.89612595.61112525.712163.04812201.11812223.74112070.6111721.75811688.0919874.564
us-gaap:Liabilities ▂▂▂▂▂▂▂▁▁▁▁▃▃▃▄▄▄▄▄▅▅▅▅▅▅▅▅██▇█████████3752.733884.244098.4974064.444046.7023802.5523510.4273160.2173168.8353054.3233032.0144908.3334937.6455157.435243.0935275.3275513.3275976.7826074.1266297.5166320.2066483.6696430.0726464.3366506.9896492.1886387.3788779.8968727.8688620.968717.1648759.658727.5848821.4998914.8158736.3058987.0699102.3929134.597NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▃▃▄▄▄▃▃▃▃▂▁▃▄▄▄▄▄▆▆▆▆▇▇▇▇▇▆████████▇▇▇▇8319.6848528.959060.8069286.2589146.6978777.3618592.178209.0368207.7588122.2296931.9138979.5689025.1929063.7699183.9819565.4949784.75710715.8710929.90211185.36611002.10111781.39611759.5311718.93511566.64711584.47511393.66712737.07212752.92812593.19412670.90912556.59412597.89612595.61112525.712163.04812201.11812223.74112070.61NANANA
us-gaap:StockholdersEquity ▃▄▅▅▅▅▅▅▅▅▄▄▄▃▄▅▄▆▆▆▆███▇▇▇▄▄▄▄▄▄▃▃▂▂▂▁3746.4223836.3314160.5464434.9794325.6564215.5134329.9584310.5644308.8014344.2413899.8993931.8313945.3373763.8033798.3954147.2154125.5984589.334702.0274732.9934681.8955297.7275329.4585254.5995059.6585092.2875006.2893958.1654025.6513972.5383953.7923796.7283869.9913774.1123610.8853426.7433219.1783125.8622944.477NANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▂▂▂▁▂▁▂▁▁▁▃▃▃▂▂▂▂▅▃▄▃▄▅▅▅▆▆▅▆▆▆▇▇███▅▅▅430.722586.053498.101345.726460.094364.966501.686315.335319.146406.944852.504805.283847.094616.215626.139514.915526.241146.443804.763970.461821.502932.7141166.351325.0951225.8551458.8361445.5921183.4361472.8411439.1721539.0941710.5241680.6231866.7351897.9771901.9181150.851233.641115.006NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▁▁▁▁▁▁▁▁▁▃▂▂▁▁▁▁▃▁▁▁▁▂▂▂▂▂▁▁▁▁▂▂▂▂▃▁▁▁▁▁█19.60731.83316.2835.48432.61123.97217.19842.67254.84682.49509.167285.708299.13561.26660.47580.24797.626426.6572.57883.01910.0315.318176.989225.563147.393314.087327.4221.08671.93825.05821.878230.958200.207287.313375.736472.52326.519127.69532.79415.58234.3131879.007
us-gaap:AccountsReceivableNetCurrent ▁▁▂▁▂▂▄▂▂▂▂▃▃▃▃▃▂▃▃▄▃▄▄▅▄▆▅▇▅▆▇▇▇▇▇█▇█▄69.17491.477133.4896.997125.084157.908252.424147.724132.016157.605156.817193.778215.65215.329220.222163.955153.977165.941200.508237.896173.24226.991259.817299.939275.431355.606332.574436.388347.367408.35428.328457.057416.838463.258462.812503.076433.626481.229252.53NANANA
us-gaap:InventoryNet ▁▁▁▁▁▁▁▁▁▁▁▂▃▂▂▂▂▃▃▃▃▃▃▄▄▅▅▆▆▆▇▇██▇▇▇█▇10.31710.2666.9847.52711.24216.6429.7159.72610.49910.67610.74263.18274.96569.61865.46162.62260.81877.2397.438112.95111.694105.244101.873145.372148.005156.185157.914238.348227.994217.034247.766266.539305.061284.997258.335241.691259.663287.809258.538NANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross ▃▃▂▂▂▂▂▁▁▁▁▅▅▅▅▆▆▆▇▇▇▇▆▆▆▆▅██▇▇▇▆▆▆▅▇▇▇10814.03510691.51610572.00610512.29810203.4899835.1819567.4289276.88941.4269103.3519316.49513738.38813619.81913518.26113771.38813920.71513866.13714639.9915574.94615533.71615344.32715014.32614674.77714463.32814160.96713850.61813578.50916571.10416194.25115749.52315545.20415143.74414736.33914357.24614087.31913837.26315070.92315072.01614951.358NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▄▃▃▂▂▂▁▁▁▁▃███▇▇▇▇██▇▅▅▅▅▅▄██▇▇▇▆▆▆▆▆▆▆3730.2323622.4133435.4312981.7232863.6272741.6612624.9842508.1882399.5552481.5353526.7425939.4265825.6015695.3425630.9495506.0965360.0465549.5995905.5695774.7365624.3264647.7454512.3054499.3444384.2094245.6274136.2475940.2475770.5065516.3195354.2375215.7215065.4624915.8094760.9034766.1634826.3754872.7184822.107NANANA
us-gaap:AmortizationOfIntangibleAssets ▇▇▇▇▇▇▇▇▇█▁▁▁▁1.6381.6381.6381.6381.6391.6381.6381.6381.7331.9220.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ▃▃▃▄▃▃▃▂▂▂▁▄▄▄▄▅▅▆▇▇▇█▇▇▇▇▆██▇▇▇▇▆▆▆▇▇▇7083.8037069.1037136.5757530.5757339.8627093.526942.4446768.6126772.4646621.8165789.7537798.9627794.2187986.5418140.4398414.6198609.1769090.3919669.3779758.989720.00110366.58110162.4729963.9849776.7589604.9919442.26210630.85710423.74510233.20410190.9679928.0239670.8779441.4379326.4169071.110244.54810199.29810129.251NANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▁▁▁▁▁▁▁▁▁▁▅▅▅▅▅▆▆▆▆▅▅▅▄▅█▇▇▆▆▆▅▅▅▅▄▄▃▃▃15.15916.54916.7117.1117.63717.8618.66319.48822.34720.678197.921190.154188.649197.385190.964257.423256.167251.628237.33210.092216.583192.273152.958185.509352.187309.125291.675261.218256.097248.127222.83213.708209.273200.221182.036175.818100.95197.5293.509NANANA
us-gaap:Goodwill ▄▄████████▁323.314323.314796.359796.359796.359796.359796.359796.359796.359796.3590.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▆▆▆▆▇▇▇▇▇█▁93.37195.00996.64798.28599.923101.562103.2104.838106.476126.8590.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▂▃▄▆▇█93.37195.00996.64798.28599.923101.562103.2NANA126.8590.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▅▆▆▇▇█▁141.198159.521187.097205.647224.95243.9160.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent █▁▁▃▃▂▃▃▃▂▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▆▃▃▃805.15915.9515.221292.556207.872159.178229.818204.404190.966149.57391.735185.169195.231219.454222.149228.857214.079227.396218.432245.833244.015289.828277.75244.347211.847211.428214.013204.301210.03201.234227.077235.977276.706296.925288.907535.063222.897214.055227.707NANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LiabilitiesCurrent ▁▁▁▂▂▂▁▁▁▁▁▃▃▃▃▄▄▆▆▇█▇▄▄▄▄▄▆▅▅▅▅▅▅▅▅▆▆▆476.524500.351528.939621.624623.245588.495522.975533.746474.991437.671441.679860.192825.713992.849940.0141070.2421151.3791584.9311680.9371867.7032096.0291907.9841147.9611246.6461083.6661170.3471119.9711573.5971487.2011346.6521387.0991333.7021272.9171399.9711388.3971302.9121544.2511636.041664.785NANANA
us-gaap:LongTermDebtCurrent █▇▁22.4320.4510.0NANANA0.0NANANA-0.263NANANA-1.6771.8731.8442.6211.197-4.221-5.1-5.076-5.052-3.558-3.535-3.512-2.957-4.606-4.585-4.564-4.544-12.968-11.759-11.759-11.759-11.718-16.743-266.67324.783NANANA
us-gaap:AccountsPayableCurrent ▁▁▂▃▃▂▂▃▂▂▂▃▃▃▂▂▁▂▃▄▅▇▇█▆▆▇▇▆▆▆▆▆▆▇▆▄▄▄148.345171.89202.553308.003305.07230.371229.806263.033186.397193.901211.161303.196265.125270.739241.616197.479171.359221.625271.394331.958442.153532.388531.973610.725504.009506.584514.58512.182461.415463.886507.982497.604472.804471.921522.003448.667351.356335.878354.011NANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▂▂▂▂▂▃▃▂▂▂▂▅▅▇▆▅▄▅▄▅▅▅▁▆▅▆▁█▇█▁█▇█▁███▇162.817197.13216.581241.357244.833280.597286.172263.755227.871236.879223.407540.672543.511704.367680.348508.144479.255486.906450.893578.332543.806569.185100.284610.704554.476637.305122.902868.904798.645839.294147.067814.033744.186856.858128.247833.939836.862854.661801.991NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▆▆▇▇██▁52.1154.62261.6765.06166.20970.3450.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▁▇█▆3.42312.12313.96411.614NANA17.693NANANA11.559NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:LiabilitiesNoncurrent us-gaap:ConsolidatedEntities,us-gaap:BalanceSheetLocation us-gaap:VariableInterestEntityPrimaryBeneficiary,cnx:LongTermDebtRelatedParty██▁85.085.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LiabilitiesNoncurrent us-gaap:ConsolidatedEntities,us-gaap:BalanceSheetLocation us-gaap:VariableInterestEntityPrimaryBeneficiary,us-gaap:LongTermDebt█▅▁394.635394.399394.162NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebt ▁▅█2563.1982660.5992754.443NANANA2378.2052184.4812330.782211.1652187.2892501.7722597.3792622.3582724.6722731.4552720.4262723.672711.7142743.5122563.7782566.7573241.4743239.733218.4483118.6873118.923128.3613128.5853128.8043129.0173140.233133.9933133.9933133.9933135.1523142.8043393.8383145.365NANANA
us-gaap:LongTermDebtNoncurrent ▃▄▅▄▄▃▂▁▂▁▁▃▄▄▅▅▅▅▅▅▃▄███▇▇▇▇▇▇▇▇▇▇▇▇▇▇2540.7682640.1482754.4432640.2342618.3752430.4942378.2052184.4812330.782211.1652187.0262500.7822596.0552620.6982722.9952734.0042723.0042725.4712712.9112739.2912558.6782561.6813236.4223236.1723214.9133115.1753115.9633123.7553124.03124.243124.4733127.2623122.2343122.2343122.2343123.4343126.0613127.1653128.736NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▄▄██▆▄▅▁370.412376.401476.108476.968427.942387.137398.682304.342NANA44.373NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest █████▇▇▇▇▇▁▂▂▂▂▂▂▂▂▂820.532808.379801.763786.839774.339759.296751.785738.255730.122723.6650.0139.404142.21142.536142.493142.952145.832149.758153.749154.857NANA0.0NANANA0.0-0.989-0.591-0.304-0.0470.2160.321NA0.00.0-5.129-4.513-8.464NANANA
us-gaap:OtherLiabilitiesNoncurrent ▁▁▁▅▆▆▅▃▃▄▃▄▃▄▅▆█▆▅▅▅▅▅▄▄▄▄▃▃▄▄▄▄▄▄▅▅▅▅40.3740.49742.32160.577196.156200.114159.787106.553103.205120.671105.073125.822110.282119.048151.66172.218244.354194.406166.959148.04162.718156.57158.171121.355132.315133.036131.355103.855102.987128.316131.025138.327131.549129.483124.936159.878149.627154.748144.61NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▅▅▆▇▇█▁79.70192.463110.466122.514137.464150.7390.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▃▄▅▅▅▅▅▅▅▅▄▄▄▃▄▅▄▆▆▆▆███▇▇▇▄▄▄▄▄▄▃▃▂▂▂▁3746.4223836.3314160.5464434.9794325.6564215.5134329.9584310.5644308.8014344.2413899.8993931.8313945.3373763.8033798.3954147.2154125.5984589.334702.0274732.9934681.8955297.7275329.4585254.5995059.6585092.2875006.2893958.1654025.6513972.5383953.7923796.7283869.9913774.1123610.8853426.7433219.1783125.8622944.477NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▅▅▇█▇▇▇▇▇▇▁▂▂▁▁▃▃▅▆▆4566.9544644.714962.3095221.8185099.9954974.8095081.7435048.8195038.9235067.9063899.8994071.2354087.5473906.3393940.8884290.1674271.434739.0884855.7764887.85NANA5329.458NANANA5006.2893957.1764025.063972.2343953.7453796.9443870.312NA3610.8853426.7433214.0493121.3492936.013NANANA
us-gaap:CommonStockValue ▁▁▁▁▁▃▃▄▅▆▇███████████████████████▇▇▇▇▇1.8781.8741.871.871.8791.9641.992.0552.1382.192.2412.3052.3042.3042.2982.2982.2982.2972.2942.2942.2942.2912.3062.3052.3052.3012.2942.2922.2912.2892.2842.2782.2762.2752.2732.2732.2732.2732.273NANANA
us-gaap:AdditionalPaidInCapital ▃▂▁▁▂▃▃▄▅▆▇███▇▇▇▇▇▇▇▆▇▆▆▆▅▅▅▄▄▃▃▃▂▂▂▁▁2261.7292205.9412199.6052197.7832203.9692249.5112264.0632311.0932372.652409.4752450.3232486.0712476.5522467.9962460.8642453.2752445.842436.4362435.4972430.8342425.8222412.5872424.1022412.9762405.7282385.5452364.5922347.9732336.4172320.2232296.9082275.322262.1592250.5162234.7752219.7832207.4292194.4292178.604NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▃▄▄▃▄▃▃▃▁▃▃▂▂▄▃▅▆▆▅██████▅▅▅▅▅▅▄▄▃▃▃▂1495.1971641.0091971.6762243.1042127.6271971.8982071.8092003.8881940.5071940.8821455.8111825.5471852.0481682.5451727.7892033.8492008.5142478.4932579.8342551.7212435.6793053.4123054.152995.2383011.343055.0912964.522257.7962351.322393.5282402.5512319.532359.6092235.7762184.7372025.7941883.611832.3841680.597NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ███████████▅▅▅▅▅▅▅▆▆▇▇▇▇▅▅▅▃▃▂▂▂▂▂▂▂▁▁▁-12.382-12.493-12.605-7.778-7.819-7.86-7.904-6.472-6.494-8.306-8.476-382.092-385.567-389.042-392.556-342.207-331.054-327.896-315.598-251.856-181.9-170.563-151.1-155.92-359.715-350.65-325.117-649.896-663.768-742.893-747.342-799.791-753.444-713.846-801.554-800.896-850.554-875.704-874.338NANANA
us-gaap:MinorityInterest █████▇▇▇▇▇▁▂▂▂▂▂▂▂▂▂820.532808.379801.763786.839774.339759.296751.785738.255730.122723.6650.0139.404142.21142.536142.493142.952145.832149.758153.749154.857NANA0.0NANANA0.0-0.989-0.591-0.304-0.0470.2160.321NA0.00.0-5.129-4.513-8.464NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues █▁1.650.004NANA0.0620.0990.0240.1260.5071.056NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▁█2.5666.84NANA23.87310.9035.485.2435.7084.91-11.16211.4689.9756.7027.6587.77110.435.6244.67NANANANANANANA15.12811.67313.17226.0699.41511.488NANA11.75911.50812.12913.446NANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▅▂▅▄▅▃▄▃▄▃▃▁▃▁▃▂▂▂▂▁▄▁▅▄▆▁▃▂▅▃▃▂▄▅█▆█▄▆▆▃143.798267.387114.468305.419252.021308.652195.604239.289191.59259.34176.463178.32888.777205.11982.647162.89795.299128.442101.566110.06865.845228.3786.609293.024221.045336.10269.771195.611125.114268.28197.966162.214138.463229.486275.202456.921360.239435.244252.382373.088331.732174.11
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▇█▇▇▇▇█▇█▇▇█▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▇█▇▇▇▇▁▇-122.701-138.074-198.213-327.948-327.946-293.332-309.81754.026-212.517-426.344-233.799-84.647184.167-87.642266.087-70.676-29.016320.976-113.881-209.721-352.712-319.903-116.443-199.719-389.739-335.481357.456-94.311-233.584-231.542-413.63-102.771-195.924-288.085-347.212342.779-321.083-253.008-288.644-218.594-4771.094-265.642
 us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary█▁-14.297-32.659NANA-104.31-78.557NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▂▂▂▂▂▁▂▁▃▂▂▂▁▂▁▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂█▆-33.202-107.5794.544-4.59884.564-8.54688.739-305.489-6.717-259.673294.971-107.108-35.075-116.686-368.506-109.6-395.303-95.3461.874384.083211.442-80.138-18.74-27.089-11.954-13.954-120.877-30.36121.792-33.5586.584-28.692-29.645-29.824-24.777-353.696-140.332-87.33553.474-173.2252594.6681904.932
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary▁█-35.444-2.26NANA41.16424.748NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▇██▇██▇▇▇▁-12.10521.74310.799-27.1278.6396.774-25.474-12.174-27.644-426.677NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▅▂▅▄▅▃▄▃▄▃▃▁▃▁▃▂▂▂▂▁▄▁▅▄▆▁▃▂▅▃▃▂▄▅█▆█▄▆▆▃143.798267.387114.468305.419252.021308.652195.604239.289191.59259.34176.463178.32888.777205.11982.647162.89795.299128.442101.566110.06865.845228.3786.609293.024221.045336.10269.771195.611125.114268.28197.966162.214138.463229.486275.202456.921360.239435.244252.382373.088331.732174.11
us-gaap:NetIncomeLoss ▃▂▃▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▄▅-145.749-329.086-271.408115.538162.477-87.337101.927125.02942.014527.563276.644-26.441169.51-38.966-306.04725.345-469.828-97.57230.405118.98-603.30179.0373.666-1.645-24.935116.003738.183-64.049-12.813-1.564149.903-11.368152.73997.196195.635167.32977.384192.149104.46175.38366.668100.269
 us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary▁█32.845.79NANA46.46334.976NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▃▃▃▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▅▅-130.486-305.222-240.055143.96192.694-64.651101.927146.75661.394545.546276.644-25.651173.823-33.502-301.63127.593-468.649-96.45834.326125.47-603.30179.0373.666-1.645-24.935116.003736.797-63.651-12.526-1.821149.64-11.473152.7197.196195.635167.32977.384192.149104.46175.38370.9107.882
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▅▇███▇▇▆▆▆▁▃▃▄▄▃▃▃▃15.26323.86431.35328.42230.21722.68627.48821.72719.3817.983-10.5670.794.3135.4644.4132.2481.1791.1143.92NANANANANANANA-0.444-0.398-0.287-0.257-0.263-0.105NANA0.00.00.00.0NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:Parent█▁-145.749-329.086NANA162.477-87.337101.927125.02942.014527.563276.643-26.44169.51-38.966-306.04425.347-469.833-97.57230.406NANANA73.666-1.645-24.934116.003738.183-63.651-12.526-1.564149.903-11.368152.73997.196195.635167.32977.384192.149NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▃▂▂▅▅▄▅▅▅█▆▄▅▄▂▄▁▄▅-145.749-329.086-271.409115.538162.477-87.337101.927125.02942.014527.563276.643-26.44169.51-38.966-306.04425.347-469.833-97.57230.406NANANA73.666-1.645-24.934116.003738.183-63.651-12.526-1.564149.903-11.368152.73997.196195.635167.32977.384192.149NANANANA
us-gaap:DepreciationDepletionAndAmortization ▆▆▆▆▆▆▆▆▆▆▂▇▆▇▇▇▆▇█▇▇▇▇▇▆▆▁▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆113.545129.164133.844120.459128.999125.161130.085119.585119.087124.667-2.572148.768117.069148.753156.584151.712135.221160.067191.521152.989154.497150.594155.511148.665137.899129.116-28.652169.152159.307161.315159.732153.877153.824155.347151.785159.75157.8149.062154.284161.429132.764119.186
us-gaap:IncreaseDecreaseInInventories ▆▆▆▅▅▆▆▆▆▆▅▅▆▆▆▅▆▆▅▆▆▆▆▆▆▆▆▅▅█▇█▁▇▇▄▄▇▅▄▃▇0.0513.282-0.543-3.715-5.46.927-0.011-0.773-0.177-0.066-2.28-11.7725.4834.3152.839-12.1160.4717.476-15.5121.2566.453.3717.3912.6338.181.7293.476-10.354-10.9630.73218.77338.522-73.38826.66216.644-17.972-27.72729.435-3.793-31.519-36.10822.501
us-gaap:DeferredIncomeTaxExpenseBenefit ▅▄▅▆▆▅▆▆▅█▂▅▆▄█▆▄▅▇▅▁▅▅▅▅▅▅▅▅▅▅▅▅▅▄▅▅▅▅▅▅▅-25.683-99.7460.95948.90240.79-11.55986.44468.922-23.5213.694-185.71725.659.224-41.936193.17151.65-97.389-27.127129.65431.409-291.914-21.2-16.97-7.2455.6368.149-5.678-38.0976.6930.305-1.424-35.8532.89-2.265-53.131-7.472-15.50723.09913.657-4.3684.5153.225
us-gaap:ShareBasedCompensation ▄▄▃▃█▅▄▄▄▄▁▅▅▄▅▅▅▄▄▄▄▅▅▄▅▆▄▅▆█▅▅▅▆▅▅▅▆▆▆▅▅2.5666.841.8681.78123.87310.9035.485.2435.7084.91-11.16211.4689.9756.7027.6587.77110.435.6244.6575.726.6487.4819.3637.0149.60815.8926.07311.67313.17226.0699.41511.48810.68316.25211.75911.50812.12913.44614.01313.53110.19.949
 us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument,us-gaap:LongtermDebtType cnx:Convertible225SeniorNotesDue2026,us-gaap:ConvertibleDebt0.161NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▇█▇▇▇▇█▇█▇▇█▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▇█▇▇▇▇▁▇-122.701-138.074-198.213-327.948-327.946-293.332-309.81754.026-212.517-426.344-233.799-84.647184.167-87.642266.087-70.676-29.016320.976-113.881-209.721-352.712-319.903-116.443-199.719-389.739-335.481357.456-94.311-233.584-231.542-413.63-102.771-195.924-288.085-347.212342.779-321.083-253.008-288.644-218.594-4771.094-265.642
 us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary█▁-14.297-32.659NANA-104.31-78.557NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▃▃▄▆▆▅▆▅▅▄▃▃▃▂▁▁▁▂▃▅▆▅▆▆▇█▅█▆▇██▇▆▇▇▆▅▆▅▆▅134.852152.049228.097336.137329.227299.138322.273297.465264.174232.485182.226177.294160.348112.97847.43164.13236.28978.968127.411259.371341.766294.019318.818355.312368.286451.009300.147437.909352.028405.972423.209437.622407.953306.446384.908412.022330.663254.778332.116244.283312.281265.344
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▂▂▂▂▂▁▂▁▃▂▂▂▁▂▁▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂█▆-33.202-107.5794.544-4.59884.564-8.54688.739-305.489-6.717-259.673294.971-107.108-35.075-116.686-368.506-109.6-395.303-95.3461.874384.083211.442-80.138-18.74-27.089-11.954-13.954-120.877-30.36121.792-33.5586.584-28.692-29.645-29.824-24.777-353.696-140.332-87.33553.474-173.2252594.6681904.932
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary▁█-35.444-2.26NANA41.16424.748NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsOfDividends ▁█3.48917.443NA16.2515.68915.123-40.83914.09913.61313.1270.00.00.00.00.00.00.02.2942.292.2814.31114.414.38743.11928.73314.35128.62128.6128.6010.056.98828.45728.44628.38728.38422.67922.66822.62522.58522.58222.57818.116
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▁▁▅▃▆█▆▅▇▁▁▁0.00.00.07.69777.28232.49887.387127.64585.84180.879103.2090.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument cnx:Convertible225SeniorNotesDue20262.25e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType cnx:Convertible225SeniorNotesDue2026,us-gaap:ConvertibleDebt2.25e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1878000.01874000.01870000.01870000.01879000.01964000.01990000.02055000.02138000.02190000.02241000.02305000.02304000.02304000.02298000.02298000.02298000.02297000.02294000.02294000.02294000.02291000.02306000.02305000.02305000.02301000.02294000.02292000.02291000.02289000.02284000.02278000.02276000.02275000.02273000.02273000.02273000.02273000.02273000.01830000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CommonStockSharesIssued us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesIssued

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value187187186186187196198205213218223230230230229229229229229229229228229230230229229228228228228227227227227227227227
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CommonStockSharesOutstanding us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1871871861861871961982052132182232302302302292292292290.02292292280.0230230229229228228228228227227227227226226226
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value187186188192197212218224230232229817231518229409229259229352228230230230230228228228229227229230229229229228814228228228184183183183182
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value187186187191197210215221230230229817229438229409229259229036228229230230229228228228227227227227226226226226350225225225181180180180180
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value6.9172187.6675263.7767243.1185487.932573.3726623.2280533.544559.1057514.6419968.9889795.4548838.8458787.1508635.2392536.0765562.7222546.4842446.7153470.3594886.7756246.9143948.6650618.0784133.0176491.6874751.1757260.9895711570.8191890.824709827
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

cnx:PerformanceShareOptions


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.00.9272680.9272680.9272680.9272680.9272680.9272680.9272680.8028040.8028040.802804
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.012.124.629.711.727.528.726.28.817.38.9

cnx:PerformanceShareUnits


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302010-09-30
Value0.6511310.4577460.00.00.54040.157120.00.3122961.7933021.2849241.762691.6590140.9515410.1135310.00.00.00.2872260.5233570.00.0971420.0833560.700040.4881790.091340.00.0216750.00.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount9.46.00.00.06.84.70.08.819.727.719.630.410.81.60.00.00.04.47.80.01.41.28.16.03.00.01.80.00.0

us-gaap:ConvertibleDebtSecurities


None
Period End2020-06-30
Value32
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount466.1

us-gaap:EmployeeStockOption


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value4.2564094.2745522.0352732.0412734.7562922.2882742.3007852.2935065.4074652.3601975.472165
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount61.555.753.965.560.067.871.364.759.450.860.9

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value2.0096782.007960.8141830.1500071.708610.00.00.011481.102180.1940710.951320.0034550.7428680.8688420.7855851.6066720.0850181.2780781.2652370.01.2432071.3839081.4592281.3480460.0026420.0122030.00.0020990.00.00.00196
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount29.126.221.64.821.50.00.00.312.14.210.60.18.412.215.026.43.119.718.80.018.320.016.816.70.10.70.00.20.00.00.2

None

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-0.78-1.76-1.450.620.85-0.440.510.590.192.381.2-0.110.74-0.17-1.330.11-2.05-0.430.130.52-2.640.340.32-0.01-0.110.513.22-0.28-0.05-0.010.66-0.050.670.430.860.740.340.850.460.330.30.550.80.480.631.08
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-0.78-1.76-1.450.610.84-0.440.50.590.192.351.2-0.110.73-0.17-1.330.11-2.05-0.430.130.52-2.640.340.32-0.01-0.110.53.2-0.28-0.05-0.010.65-0.050.670.420.850.730.340.840.460.330.290.540.770.480.621.08
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value148416504529605278431397402405460671865317462745285558761813648889935884937969-438.053123112161289138811601454142615421521158714651357134912891240
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.081.8100.0100.0100.045.50.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems

us-gaap:OperatingSegments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value208296368312380470540375367449333247270326
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax140.071.273.159.062.9169.0125.294.591.5110.972.536.931.3102.8
Percentage of Revenues140.071.273.159.062.9169.0125.294.591.590.872.536.931.346.8
Percentage of Revenues us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService

us-gaap:IntersegmentElimination, us-gaap:NaturalGasMidstream


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-53.958-61.935-63.293-55.736-59.555-54.126-51.102-41.426-37.842-37.924
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-36.3-14.9-12.5-10.5-9.8-19.4-11.8-10.4-9.4-9.3
Percentage of Revenues-36.3-14.9-12.5-10.5-9.8-19.4-11.8-10.4-9.4-7.7
Percentage of Revenues us-gaap:IntersegmentElimination us-gaap:NaturalGasMidstream0.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:NaturalGasMidstream, cnx:CNXM


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value66807872
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.419.313.026.1
Percentage of Revenues44.419.313.026.1
Percentage of Revenues us-gaap:OperatingSegments us-gaap:NaturalGasMidstream cnx:CNXM0.00.00.00.0

us-gaap:OperatingSegments, us-gaap:OilAndGas, us-gaap:ExplorationAndProductionEquipment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value175251342435
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax118.160.456.7156.6
Percentage of Revenues118.160.456.7156.6
Percentage of Revenues us-gaap:OperatingSegments us-gaap:OilAndGas us-gaap:ExplorationAndProductionEquipment0.00.00.00.0

us-gaap:OperatingSegments, us-gaap:OilAndGasPurchased, us-gaap:ExplorationAndProductionEquipment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value20261816
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.76.33.15.8
Percentage of Revenues13.76.33.15.8
Percentage of Revenues us-gaap:OperatingSegments us-gaap:OilAndGasPurchased us-gaap:ExplorationAndProductionEquipment0.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, us-gaap:OilAndGas, us-gaap:ExplorationAndProductionEquipment, cnx:CoalbedMethane, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value22303949
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.47.46.617.9
Percentage of Revenues15.47.46.617.9
Percentage of Revenues us-gaap:OperatingSegments us-gaap:OilAndGas us-gaap:ExplorationAndProductionEquipment cnx:CoalbedMethane us-gaap:ReportableSubsegments0.00.00.00.0

us-gaap:OperatingSegments, us-gaap:OilAndGas, us-gaap:ExplorationAndProductionEquipment, cnx:MarcellusShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value123179237293
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.043.039.2105.3
Percentage of Revenues83.043.039.2105.3
Percentage of Revenues us-gaap:OperatingSegments us-gaap:OilAndGas us-gaap:ExplorationAndProductionEquipment cnx:MarcellusShale us-gaap:ReportableSubsegments0.00.00.00.0

us-gaap:OperatingSegments, us-gaap:OilAndGas, us-gaap:ExplorationAndProductionEquipment, cnx:OtherGas, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.220.2770.757-0.097
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.1-0.0
Percentage of Revenues0.10.10.1-0.0
Percentage of Revenues us-gaap:OperatingSegments us-gaap:OilAndGas us-gaap:ExplorationAndProductionEquipment cnx:OtherGas us-gaap:ReportableSubsegments0.00.00.00.0

us-gaap:OperatingSegments, us-gaap:OilAndGas, us-gaap:ExplorationAndProductionEquipment, cnx:UticaShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value29416592
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.610.010.833.4
Percentage of Revenues19.610.010.833.4
Percentage of Revenues us-gaap:OperatingSegments us-gaap:OilAndGas us-gaap:ExplorationAndProductionEquipment cnx:UticaShale us-gaap:ReportableSubsegments0.00.00.00.0

us-gaap:OperatingSegments, us-gaap:OilAndGasPurchased, us-gaap:ExplorationAndProductionEquipment, cnx:OtherGas, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value20261816
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.76.33.15.8
Percentage of Revenues13.76.33.15.8
Percentage of Revenues us-gaap:OperatingSegments us-gaap:OilAndGasPurchased us-gaap:ExplorationAndProductionEquipment cnx:OtherGas us-gaap:ReportableSubsegments0.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

cnx:Condensate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.7811.9013.9050.8391.682.3272.6343.4264.9966.5038.0364.3063.8854.305
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.80.20.30.80.60.91.21.61.70.60.41.4
Percentage of Revenues0.50.50.80.20.30.80.60.91.21.31.70.60.40.6
Percentage of Revenues cnx:Condensate0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cnx:NGLs


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.22619321824292846395061332139
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.24.76.33.54.010.76.711.89.812.513.54.92.512.4
Percentage of Revenues4.24.76.33.54.010.76.711.89.810.313.54.92.55.6
Percentage of Revenues cnx:NGLs0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:NaturalGasReserves


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value168229284245317403460293289347241196233
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax113.255.156.446.452.4145.0106.874.071.985.652.529.227.0
Percentage of Revenues113.255.156.446.452.4145.0106.874.071.970.152.529.227.0
Percentage of Revenues srt:NaturalGasReserves0.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:OilReserves


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.2590.5820.0750.0920.0890.1660.7190.7590.670.8880.8580.6311.061
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.00.00.00.10.20.20.20.20.20.10.1
Percentage of Revenues0.20.10.00.00.00.10.20.20.20.20.20.10.1
Percentage of Revenues srt:OilReserves0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NaturalGasMidstream


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value121818181818201923260.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.24.43.73.53.16.64.75.05.86.50.00.00.0
Percentage of Revenues8.24.43.73.53.16.64.75.05.85.30.00.00.0
Percentage of Revenues us-gaap:NaturalGasMidstream0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OilAndGas


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value175251320265342435493344334405312234260
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax118.160.463.550.056.7156.6114.286.883.2100.067.934.930.1
Percentage of Revenues118.160.463.550.056.7156.6114.286.883.281.867.934.930.1
Percentage of Revenues us-gaap:OilAndGas0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OilAndGasPurchased


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value20262929181627109.9318211310
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.76.35.95.53.15.86.42.72.54.54.62.01.2
Percentage of Revenues13.76.35.95.53.15.86.42.72.53.64.62.01.2
Percentage of Revenues us-gaap:OilAndGasPurchased0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OilAndGasService


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value175251320265342435493344334405312234260
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax118.160.463.550.056.7156.6114.286.883.2100.067.934.930.1
Percentage of Revenues118.160.463.550.056.7156.6114.286.883.281.867.934.930.1
Percentage of Revenues us-gaap:OilAndGasService0.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:Revenues

us-gaap:Revenues


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value148416504529605278431397402495460671865698462745285558761813648889935884937969-438.053123112161289138811601454142615421521158714651357134912891240
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value66807872
Percentage of Revenues44.419.312.925.9
Percentage of Revenues44.419.312.925.9
Percentage of Revenues us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-54.453-62.443-63.437-55.795-59.67-54.187-51.169-41.492-37.903-38.005
Percentage of Revenues-36.6-15.0-12.6-10.5-9.9-19.5-11.9-10.4-9.4-7.7
Percentage of Revenues-36.6-15.0-12.6-10.5-9.9-19.5-11.9-10.4-9.4-7.7
Percentage of Revenues us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CNXM


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value66807872
Percentage of Revenues44.419.313.026.1
Percentage of Revenues44.419.313.026.1
Percentage of Revenues us-gaap:OperatingSegments cnx:CNXM100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value137398586260
Percentage of Revenues92.195.796.993.4
Percentage of Revenues92.195.796.993.4
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:CoalbedMethane, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value35404045
Percentage of Revenues24.19.76.716.4
Percentage of Revenues24.19.76.716.4
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:CoalbedMethane us-gaap:ReportableSubsegments100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:MarcellusShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value202247244265
Percentage of Revenues136.059.440.395.5
Percentage of Revenues136.059.440.395.5
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:MarcellusShale us-gaap:ReportableSubsegments100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:OtherGas, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-151.67951233-134.633
Percentage of Revenues-101.912.338.6-48.4
Percentage of Revenues-101.912.338.6-48.4
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:OtherGas us-gaap:ReportableSubsegments100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:UticaShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value50596783
Percentage of Revenues33.914.311.229.9
Percentage of Revenues33.914.311.229.9
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:UticaShale us-gaap:ReportableSubsegments100.0100.0100.0100.0

us-gaap:Revenues us-gaap:MajorCustomers

cnx:DirectEnergyBusinessMarketingLLC


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value334559394867345732344046
Percentage of Revenues22.611.011.87.48.024.38.611.77.05.24.76.6
Percentage of Revenues22.611.011.87.48.024.38.611.77.05.24.76.6
Percentage of Revenues cnx:DirectEnergyBusinessMarketingLLC100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:NJREnergyServicesCompany


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value32331928666042367237183457
Percentage of Revenues7.76.63.84.723.714.110.89.214.78.02.84.08.2
Percentage of Revenues7.76.63.84.723.714.110.89.214.78.02.84.08.2
Percentage of Revenues cnx:NJREnergyServicesCompany100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

us-gaap:NaturalGasGatheringTransportationMarketingAndProcessing


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value608386808479716875861039886
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues40.320.017.115.114.028.516.717.418.817.422.414.710.0
Percentage of Revenues us-gaap:NaturalGasGatheringTransportationMarketingAndProcessing0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OilAndGasExplorationAndProduction


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3.313.888296.0755.5673.2582.6323.3213.6992.38144.47919
Percentage of CostOfGoodsAndServicesSold5.54.734.27.66.64.13.74.84.92.813.74.522.8
Percentage of Revenues2.20.95.81.10.91.20.60.80.90.53.10.72.3
Percentage of Revenues us-gaap:OilAndGasExplorationAndProduction0.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value262843797298331308314275312323748207201199212182217215107173271311336339347326352328329335
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues176.4202.5157.956.354.8110.972.969.477.865.3162.631.023.228.645.924.576.138.514.121.341.835.035.938.337.133.7-80.526.727.126.0

us-gaap:OperatingExpenses us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-54.453-62.443-59.67-54.187
Percentage of OperatingExpenses-20.7-7.4-18.0-17.5
Percentage of Revenues-36.6-15.0-9.9-19.5
Percentage of Revenues us-gaap:IntersegmentElimination100.0100.0100.0100.0

us-gaap:OperatingExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CNXM


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value255002524
Percentage of OperatingExpenses9.659.47.88.1
Percentage of Revenues16.9120.34.39.0
Percentage of Revenues us-gaap:OperatingSegments cnx:CNXM38.1623.533.134.4

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value291404365338
Percentage of OperatingExpenses111.148.0110.2109.5
Percentage of Revenues196.097.260.4121.4
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment212.7101.662.3130.0

us-gaap:OperatingExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:CoalbedMethane, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value29343332
Percentage of OperatingExpenses11.24.110.010.6
Percentage of Revenues19.88.25.511.7
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:CoalbedMethane us-gaap:ReportableSubsegments81.984.881.371.7

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:MarcellusShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value144183193178
Percentage of OperatingExpenses55.221.758.457.9
Percentage of Revenues97.344.032.064.2
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:MarcellusShale us-gaap:ReportableSubsegments71.574.079.467.3

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:OtherGas, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value741388876
Percentage of OperatingExpenses28.416.426.724.7
Percentage of Revenues50.133.314.727.4
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:OtherGas us-gaap:ReportableSubsegments-49.2271.238.0-56.6

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:UticaShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value42485050
Percentage of OperatingExpenses16.35.815.116.3
Percentage of Revenues28.811.78.318.1
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:UticaShale us-gaap:ReportableSubsegments85.182.173.660.4

None

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value307874182337371354148193371-263.5112146706257867016306196356026301544836855887961838-473.044122012141290119011911242130813041321148912141218125811931097
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues206.9210.036.163.661.4127.434.448.892.5-53.246.599.872.2112.5151.884.5216.6113.879.177.4238.094.091.5100.3102.586.6108.099.199.9100.185.7102.785.491.784.686.893.882.989.893.292.588.5

us-gaap:CostsAndExpenses us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value33343137
Percentage of CostsAndExpenses10.83.98.510.5
Percentage of Revenues22.38.35.213.4
Percentage of Revenues us-gaap:VariableInterestEntityPrimaryBeneficiary50.342.940.551.6

None

us-gaap:InterestExpense

us-gaap:InterestExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value46483738403533353838324143444647474949484655535564505556545351545658585864666566658.145
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues31.111.87.37.26.612.87.79.09.67.87.06.25.06.410.16.316.68.96.46.07.26.25.76.36.95.3-12.64.64.54.13.74.73.94.13.83.94.14.54.84.95.00.7

us-gaap:InterestExpense us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value8.6178.7937.6857.339
Percentage of InterestExpense18.617.919.120.5
Percentage of Revenues5.82.11.32.6
Percentage of Revenues us-gaap:VariableInterestEntityPrimaryBeneficiary13.011.09.810.2

None

us-gaap:InterestExpenseDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebt

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


None
Period End2020-06-30
Value3.78
Percentage of InterestExpenseDebt100.0
Percentage of Revenues2.5
Percentage of Revenues cnx:Convertible225SeniorNotesDue2026 us-gaap:ConvertibleDebt0.0

None

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4.799-5.186-0.105-3.4390.0990.5799.759-1.105-0.5756.49313-8.25-5.475-4.075
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-3.2-1.2-0.0-0.60.00.22.3-0.3-0.11.33.0-1.2-0.6-0.6

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4.547-5.0130.182-3.1090.5011.039.76-1.105-0.5756.49313-8.254-5.475-4.075
Percentage of OtherNonoperatingIncomeExpense94.796.7-173.390.4506.1177.9100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-3.1-1.20.0-0.60.10.42.3-0.3-0.11.33.0-1.2-0.6-0.6
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value-0.344110.00.0-0.077-7.5370.315-15.385-23.413-15.635-0.896-2.019-0.0360.8220.00.00.00.00.00.0-0.017-67.7340.0-20.99-74.2770.00.00.00.00.00.00.00.00.0-16.090.00.00.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.00.0100.0100.00.00.00.00.00.00.00.00.00.0100.00.00.00.0
Percentage of Revenues-0.22.70.00.0-0.0-2.70.1-3.9-5.8-3.2-0.2-0.3-0.00.10.00.00.00.00.00.0-0.0-7.60.0-2.4-7.90.0-0.00.00.00.00.00.00.00.0-1.00.00.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.344110.00.0-0.077-7.5370.315-15.385-23.413-15.635-0.896-2.019-0.0360.822
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.22.70.00.0-0.0-2.70.1-3.9-5.8-3.2-0.2-0.3-0.00.1
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument

cnx:SeniorNotesdueApril2022


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-0.344110.0-0.077-15.6350.3150.0-8.098-7.537-0.8960.0-0.036
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.00.0100.0207.4100.0-0.034.648.2100.0-0.0100.0
Percentage of Revenues-0.22.70.0-0.0-5.60.10.0-2.0-1.5-0.20.0-0.0
Percentage of Revenues cnx:SeniorNotesdueApril20220.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-159.132-457.804-290.453192233-76.2110520330759-36.0521.107240-87.291-239.387115-333.364-77.133159183-895.235379-3.033-23.72113034101.809-1.299198-31.371211118237200982511389196142
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-106.9-110.0-57.536.438.6-27.424.551.27.5153.2-7.80.227.8-12.5-51.815.5-116.6-13.820.922.6-138.06.08.5-0.3-2.513.4-8.00.90.1-0.114.3-2.714.68.315.413.26.217.110.26.87.511.5

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2.8351835-0.1090.811-2.36418117-39.6286231635129
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic-1.8-4.0-12.1-0.10.33.117.257.9-130.882.2-46.73204.253.6
Percentage of Revenues1.94.47.0-0.00.1-0.84.229.7-9.9125.93.75.314.9
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-161.967-476.097-325.588192232-73.84687856913571-46.73650-135.176
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic101.8104.0112.1100.199.796.982.842.1230.817.8-198.8-4221.921.1154.9
Percentage of Revenues-108.8-114.3-64.536.438.5-26.520.321.617.427.315.6-7.05.9-19.3
Percentage of Revenues us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CNXM


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value30-429.5444432
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic-19.093.819.0-42.8
Percentage of Revenues20.4-103.27.311.7
Percentage of Revenues us-gaap:OperatingSegments cnx:CNXM45.8-534.756.644.9

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-192.263-46.553188-106.43
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic120.810.280.6139.7
Percentage of Revenues-129.2-11.231.1-38.2
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment-140.2-11.732.1-40.9

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:CoalbedMethane, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value6.5146.1567.60312
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic-4.1-1.33.3-16.9
Percentage of Revenues4.41.51.34.6
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:CoalbedMethane us-gaap:ReportableSubsegments18.115.218.728.3

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:MarcellusShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value57645086
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic-36.2-14.121.6-114.1
Percentage of Revenues38.715.48.331.2
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:MarcellusShale us-gaap:ReportableSubsegments28.526.020.632.7

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:OtherGas, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-263.934-127.666112-239.277
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic165.927.948.1314.0
Percentage of Revenues-177.3-30.718.6-85.9
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:OtherGas us-gaap:ReportableSubsegments174.0-249.848.1177.7

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:UticaShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value7.528101733
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic-4.7-2.37.7-43.3
Percentage of Revenues5.12.63.011.9
Percentage of Revenues us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment cnx:UticaShale us-gaap:ReportableSubsegments14.917.926.439.6

None

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-45.461-30.863-2.203-38.536-39.743-45.814-15.07582-59.146587-23.493-3.36288-40.863
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-30.5-7.4-0.4-7.3-6.6-16.5-3.520.7-14.7118.5-5.1-0.510.2-5.8

None

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-28.646-152.582-50.3974840-11.559-23.71256-31.102213-216.422666-53.7898152-100.354-26.84712458-291.929-25.6036.032-1.3881.2148.489-122.95674140.52248-19.89858214233215833152534
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-19.2-36.6-10.09.26.7-4.2-5.514.3-7.743.1-47.04.07.7-7.717.77.1-35.1-4.816.47.1-45.0-2.90.6-0.20.10.928.16.11.20.03.5-1.74.11.52.72.21.34.02.51.22.02.8

None

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-130.486-305.222-240.056143192-64.65112914661545286-25.651173-33.502-321.19562-234.044-43.291
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-87.7-73.3-47.627.231.8-23.230.037.015.3110.062.1-3.820.1-4.8-69.58.4-81.9-7.8

None

us-gaap:ProfitLoss

us-gaap:ProfitLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-130.486-305.222-240.055143192-64.65110114661545276-25.651173-33.502-301.63127-468.649-96.45834125-603.3017973-1.645-24.935116736-63.651-12.526-1.821149-11.4731529719516777192104757010715093118204
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-87.7-73.3-47.627.231.8-23.223.637.015.3110.060.1-3.820.1-4.8-65.33.7-164.0-17.34.515.4-93.08.97.9-0.2-2.712.0-168.2-5.2-1.0-0.110.8-1.010.56.812.711.04.913.17.75.65.58.70.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value15233128302227211917-10.5670.794.3135.4644.4132.2481.1791.1143.92-0.444-0.398-0.287-0.257-0.263-0.1050.00.00.00.0
Percentage of ProfitLoss-11.7-7.8-13.119.715.7-35.127.014.831.63.3-3.8-3.12.5-16.3-1.58.1-0.3-1.211.4-0.10.62.314.1-0.20.90.00.00.00.0
Percentage of Revenues10.35.76.25.45.08.16.45.54.83.6-2.30.10.50.81.00.30.40.20.50.1-0.0-0.0-0.0-0.0-0.00.00.00.00.0
Percentage of Revenues us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-145.749-329.086162-87.33710112542527276-26.44169-38.966-306.04425-469.833-97.5723073-1.645-24.934116738-63.651-12.526-1.564149-11.3681529719516777192
Percentage of ProfitLoss111.7107.884.3135.1100.085.268.496.7100.0103.197.5116.3101.591.9100.3101.288.6100.0100.0100.0100.0100.2100.0100.085.9100.299.1100.0100.0100.0100.0100.0100.0
Percentage of Revenues-97.9-79.026.9-31.423.631.510.4106.460.1-3.919.6-5.6-66.23.4-164.4-17.54.07.9-0.2-2.712.0-168.5-5.2-1.0-0.110.8-1.010.56.812.711.04.913.1
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-145.749-329.086-271.409115162-87.33710112542527276-26.44169-38.966-306.04425-469.833-97.5723073-1.645-24.934116738-63.651-12.526-1.564149-11.3681529719516777192
Percentage of ProfitLoss111.7107.8113.180.384.3135.1100.085.268.496.7100.0103.197.5116.3101.591.9100.3101.288.6100.0100.0100.0100.0100.2100.0100.085.9100.299.1100.0100.0100.0100.0100.0100.0
Percentage of Revenues-97.9-79.0-53.821.826.9-31.423.631.510.4106.460.1-3.919.6-5.6-66.23.4-164.4-17.54.07.9-0.2-2.712.0-168.5-5.2-1.0-0.110.8-1.010.56.812.711.04.913.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.1110.1120.0410.044-0.3320.0221.8120.171.7983.4643.4643.502-50.087-11.153-3.158-12.298-63.742-69.955-11.337-19.4634.82203-9.065-25.53332413794.44952-46.347-39.59887
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.00.00.0-0.10.00.50.00.40.50.40.5-10.8-1.5-1.1-2.2-8.4-8.6-1.7-2.20.523.0-1.0-2.6-74.11.16.50.33.8-4.0-2.76.1

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0.1110.112-4.8270.0410.0410.044-0.3320.0221.8120.171.7643.4753.4753.514-11.153-3.158-12.298-69.956-11.337-19.463203-9.065-25.53313794.449
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.00.00.0100.0100.0100.0100.0100.0100.098.1100.3100.3100.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.0-1.00.00.00.0-0.10.00.50.00.40.50.40.5-1.5-1.1-2.2-8.6-1.7-2.223.0-1.0-2.61.16.50.3
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


None
Period End2020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0.1110.1120.0410.0440.0221.8120.173.4753.4753.514-11.153-3.158-12.298-69.956-11.337-19.463203-9.065-25.53313794.449
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.3100.3100.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.00.00.00.00.50.00.50.40.5-1.5-1.1-2.2-8.6-1.7-2.223.0-1.0-2.61.16.50.3
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-130.375-305.11-244.883144192-64.60712914663545267-22.187177-30.0-351.71816-471.807-108.756-29.41655-614.6385978202-34.0901062-50.177662.628202-57.82113184199216102
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-87.6-73.3-48.527.231.9-23.229.937.015.7110.158.2-3.320.5-4.3-76.12.2-165.1-19.5-3.96.8-94.76.78.422.9-3.69.3-242.6-4.15.50.214.5-5.07.813.013.014.36.5

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-145.749-329.086-271.408115162-87.33710112542527276-26.441169-38.966-306.04725-469.828-97.57230118-603.3017973-1.645-24.935116738-64.049-12.813-1.564149-11.3681529719516777192104756610014387113195
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-97.9-79.0-53.821.826.9-31.423.631.510.4106.460.1-3.919.6-5.6-66.23.4-164.4-17.54.014.6-93.08.97.9-0.2-2.712.0-168.5-5.2-1.1-0.110.8-1.010.56.812.711.04.913.17.75.65.28.10.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value32454634
Percentage of NetIncomeLoss-22.5-13.928.6-40.0
Percentage of Revenues22.011.07.712.6
Percentage of Revenues us-gaap:VariableInterestEntityPrimaryBeneficiary49.757.159.548.4

None

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-145.638-328.974-276.236115162-87.29310112543527278-22.966172-35.452-356.39314-472.986-109.87-33.33649-614.6385978202-34.0901062-49.779662.885202-57.715113184194216102190
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-97.8-79.0-54.721.826.9-31.423.531.510.9106.560.5-3.420.0-5.1-77.11.9-165.5-19.7-4.46.0-94.76.78.422.9-3.69.3-242.7-4.05.50.214.6-5.07.813.012.614.36.513.0

None

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15233128302227211917-10.5670.794.3135.4644.4132.2481.1791.1143.926.490.00.00.00.00.00.0-0.444-0.398-0.287-0.257-0.263-0.105-0.0290.00.00.00.00.00.00.04.2327.613
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0
Percentage of Revenues10.35.76.25.45.08.16.45.54.83.6-2.30.10.50.81.00.30.40.20.50.80.00.00.00.00.00.00.1-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.00.00.00.30.6

None

us-gaap:Assets

us-gaap:Assets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value83198528906092869146877785928209820781226931897990259063918395659784107151092911185110021178111759117181156611584113931273712752125931267012556125971259512525121631220112223120701172111688987477757535
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-12-31
Value123812401234
Percentage of Assets14.914.513.6
Percentage of Assets14.914.513.6
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value134147781614613716682333102540278728302657
Percentage of Assets1.61.70.90.21.61.61.91.04.11.37.831.031.428.9
Percentage of Assets1.61.70.90.21.61.61.91.04.11.37.831.031.428.9
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-153.991-158.6156.3313.735-3.041-10.026-12.223-12.926-11.166-14.770.00.00.00.0
Percentage of Assets-1.9-1.90.10.0-0.0-0.1-0.1-0.2-0.1-0.20.00.00.00.0
Percentage of Assets-1.9-1.90.10.0-0.0-0.1-0.1-0.2-0.1-0.20.00.00.00.0
Percentage of Assets us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CNXM


None
Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-31
Value175417542230211620111919
Percentage of Assets21.120.624.623.122.922.3
Percentage of Assets21.120.624.623.122.922.3
Percentage of Assets us-gaap:OperatingSegments cnx:CNXM100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment


None
Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312017-12-31
Value6584678567456887663865186391
Percentage of Assets79.179.674.475.375.675.992.2
Percentage of Assets79.179.674.475.375.675.992.2
Percentage of Assets us-gaap:OperatingSegments us-gaap:ExplorationAndProductionEquipment100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:Liabilities

us-gaap:Liabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3752388440984064404638023510316031683054303249084937515752435275551359766074629763206483643064646506649263878779872786208717875987278821891487368987910291345750
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.145.545.243.844.243.340.938.538.637.643.754.754.756.957.155.156.355.855.656.357.455.054.755.256.356.056.168.968.468.568.869.869.370.071.271.873.774.575.774.0

us-gaap:Liabilities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-12-31
Value882910777
Percentage of Liabilities23.523.419.0
Percentage of Assets10.610.78.6
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary71.373.463.0

None

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value83198528906092869146877785928209820781226931897990259063918395659784107151092911185110021178111759117181156611584113931273712752125931267012556125971259512525121631220112223120707775
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3746383641604434432542154329431043084344389939313945376337984147412545894702473246815297532952545059509250063958402539723953379638693774361034263219312529441785
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.045.045.947.847.348.050.452.552.553.556.343.843.741.541.443.442.242.843.042.342.645.045.344.843.744.043.931.131.631.531.230.230.730.028.828.226.425.624.423.0

None

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value430586498345460364501315319406852805847616626514526114680497082193211661325122514581445118314721439153917101680186618971901115012331115991
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.26.95.53.75.04.25.83.83.95.012.39.09.46.86.85.45.410.77.48.77.57.99.911.310.612.612.79.311.511.412.113.613.314.815.215.69.410.19.212.7

us-gaap:AssetsCurrent us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:VariableInterestEntityPrimaryBeneficiary, cnx:ReceivablesExcludingThirdParty


None
Period End2020-06-302020-03-312019-12-31
Value8.6154.987.935
Percentage of AssetsCurrent2.00.81.6
Percentage of Assets0.10.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cnx:ReceivablesExcludingThirdParty0.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cnx:ReceivablesRelatedParty


None
Period End2020-06-302020-03-312019-12-31
Value162121
Percentage of AssetsCurrent3.93.74.2
Percentage of Assets0.20.30.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cnx:ReceivablesRelatedParty0.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:Cash


None
Period End2020-06-302020-03-312019-12-31
Value0.9895.2350.031
Percentage of AssetsCurrent0.20.90.0
Percentage of Assets0.00.10.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:Cash0.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:OtherCurrentAssets


None
Period End2020-06-302020-03-312019-12-31
Value1.6722.0641.976
Percentage of AssetsCurrent0.40.40.4
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:OtherCurrentAssets0.00.00.0

None

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-01-022012-12-312012-09-302012-06-302012-03-312012-01-022011-12-312011-09-302011-06-302011-03-312011-01-022010-12-312010-09-302010-06-302010-03-312010-01-022009-12-312009-01-022008-12-312007-12-31
Value1931165.484322317425482509285299616080974267283105.31817622514731432721712521212302002873753754722612732321534187965656513841
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.40.20.10.40.30.20.50.71.07.33.23.30.70.70.81.04.00.70.70.10.01.51.91.32.72.90.20.60.20.00.21.81.62.30.03.03.90.21.00.00.30.10.319.00.00.80.01.80.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value1931165.484322317425482509285299616080974267283105.31817622514731432721
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9
Percentage of Assets0.20.40.20.10.40.30.20.50.71.07.33.23.30.70.70.81.04.00.70.70.10.01.51.91.32.72.90.2
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value699113396125157252147132157156193215215220163153165200237173226259299275355332436347408428457416463462503433481252317
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.81.11.51.01.41.82.91.81.61.92.32.22.42.42.41.71.61.51.82.11.61.92.22.62.43.12.93.42.73.23.43.63.33.73.74.13.63.92.14.1

None

us-gaap:InventoryNet

us-gaap:InventoryNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10106.9847.52711169.7159.7261010106374696562607797112111105101145148156157238227217247266305284258241259287258307
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.20.10.10.10.10.20.70.80.80.70.70.60.70.91.01.00.90.91.21.31.31.41.91.81.72.02.12.42.32.12.02.12.42.14.0

None

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10814106911057210512102039835956792768941910393161373813619135181377113920138661463915574155331534415014146741446314160138501357816571161941574915545151431473614357140871383715070150721495110681
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets130.0125.4116.7113.2111.6112.1111.4113.0108.9112.1134.4153.0150.9149.1150.0145.5141.7136.6142.5138.9139.5127.4124.8123.4122.4119.6119.2130.1127.0125.1122.7120.6117.0114.0112.5113.8123.5123.3123.9137.4

None

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3730362234352981286327412624250823992481352659395825569556305506536055495905577456244647451244994384424541365940577055165354521550654915476047664826487248224557
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.842.537.932.131.331.230.630.629.230.650.966.164.562.861.357.654.851.854.051.651.139.438.438.437.936.636.346.645.243.842.341.540.239.038.039.239.639.939.958.6

None

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1638000.01638000.01638000.01638000.01639000.01638000.01638000.01638000.01733000.01922000.00000
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value70837069713675307339709369426768677266215789779877947986814084148609909096699758972010366101629963977696049442106301042310233101909928967094419326907110244101991012961245765
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets85.182.978.881.180.280.880.882.582.581.583.586.986.488.188.688.088.084.888.587.288.388.086.485.084.582.982.983.581.781.380.479.176.875.074.574.684.083.483.978.876.5

None

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value151616171717181922201971901881971902572562512372102161921521853523092912612562482222132092001821751009793
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.30.32.92.12.12.22.12.72.62.32.21.92.01.61.31.63.02.72.62.12.02.01.81.71.71.61.51.40.80.80.8

None

us-gaap:Goodwill

us-gaap:Goodwill


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3233237967967967967967967967960.0
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets3.93.88.88.68.79.19.39.79.79.80.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

cnx:MidstreamAcquisition


None
Period End2020-06-302020-03-312018-01-03
Value323323796
Percentage of Goodwill100.0100.00.0
Percentage of Assets3.93.80.0
Percentage of Assets cnx:MidstreamAcquisition0.00.00.0

None

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value93959698991011031041061260.0
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.11.11.11.11.11.21.21.31.31.60.0

None

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value93959698991011031260.0
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.11.11.11.11.11.21.21.60.0

None

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1411591872052242430.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.71.92.12.22.52.80.0

None

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value805151529220715922920419014991185195219222228214227218245244289277244211211214204210201227235276296288535222214227151
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.70.20.23.22.31.82.72.52.31.81.32.12.22.42.42.42.22.12.02.22.22.52.42.11.81.81.91.61.61.61.81.92.22.42.34.41.81.81.91.9

None

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4765005286216235885225334744374418608259929401070115115841680186720961907114712461083117011191573148713461387133312721399138813021544163616641478
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.75.95.86.76.86.76.16.55.85.46.49.69.111.010.211.211.814.815.416.719.116.29.810.69.410.19.812.411.710.710.910.610.111.111.110.712.713.413.819.0

us-gaap:LiabilitiesCurrent us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:VariableInterestEntityPrimaryBeneficiary, cnx:AccountsPayableRelatedParty


None
Period End2020-06-302020-03-312019-12-31
Value52514.787
Percentage of LiabilitiesCurrent11.010.30.9
Percentage of Assets0.60.60.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cnx:AccountsPayableRelatedParty0.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:AccountsPayableAndAccruedLiabilities


None
Period End2020-06-302020-03-312019-12-31
Value313267
Percentage of LiabilitiesCurrent6.76.412.7
Percentage of Assets0.40.40.7
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:AccountsPayableAndAccruedLiabilities0.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:RevolvingCreditFacility


None
Period End2020-06-302020-03-312019-12-31
Value319347311
Percentage of LiabilitiesCurrent66.969.458.9
Percentage of Assets3.84.13.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:RevolvingCreditFacility0.00.00.0

None

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


None
Period End2020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value22200.00.0-0.263-1.6771.8731.8442.6211.197-4.221-5.1-5.076-5.052-3.558-3.535-3.512-2.957-4.606-4.585-4.564-4.544-12.968-11.759-11.759-11.759-11.718-16.743-266.6732445
Percentage of LongTermDebtCurrent100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.00.0-0.0-0.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-2.20.20.6

None

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value148171202308305230229263186193211303265270241197171221271331442532531610504506514512461463507497472471522448351335354269
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.82.02.23.33.32.62.73.22.32.43.03.42.93.02.62.11.82.12.53.04.04.54.55.24.44.44.54.03.63.74.04.03.83.74.23.72.92.72.93.5

None

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value162197216241244280286263227236223540543704680508479486450578543569100610554637122868798839147814744856128833836854801612
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.02.32.42.62.73.23.33.22.82.93.26.06.07.87.45.34.94.54.15.24.94.80.95.24.85.51.16.86.36.71.26.55.96.81.06.96.97.06.67.9

None

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5254616566700.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.60.60.70.70.70.80.0

None

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-31
Value3.4231213111711
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.10.20.10.20.2

None

us-gaap:LiabilitiesNoncurrent us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:LiabilitiesNoncurrent

us-gaap:VariableInterestEntityPrimaryBeneficiary, cnx:LongTermDebtRelatedParty


None
Period End2020-06-302020-03-312019-12-31
Value85850.0
Percentage of LiabilitiesNoncurrent100.0100.00.0
Percentage of Assets1.01.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cnx:LongTermDebtRelatedParty0.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:LongTermDebt


None
Period End2020-06-302020-03-312019-12-31
Value394394394
Percentage of LiabilitiesNoncurrent464.3464.00.0
Percentage of Assets4.74.64.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:LongTermDebt0.00.00.0

None

us-gaap:LongTermDebt

us-gaap:LongTermDebt


None
Period End2020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value256326602754237821842330221121872501259726222724273127202723271127432563256632413239321831183118312831283128312931403133313331333135314233933145402
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.831.230.427.726.628.427.231.627.928.828.929.728.627.825.424.824.523.321.827.627.627.826.927.424.624.524.824.725.024.924.925.025.825.827.826.15.2

us-gaap:LongTermDebt us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCredit, cnx:CSGHoldingsFacility


None
Period End2020-06-302020-03-312019-12-31
Value48490.0
Percentage of LongTermDebt1.91.90.0
Percentage of Assets0.60.60.0
Percentage of Assets us-gaap:LineOfCredit cnx:CSGHoldingsFacility0.00.00.0

us-gaap:LineOfCredit, cnx:CardinalStatesFacility


None
Period End2020-06-302020-03-312019-12-31
Value1211230.0
Percentage of LongTermDebt4.74.70.0
Percentage of Assets1.51.50.0
Percentage of Assets us-gaap:LineOfCredit cnx:CardinalStatesFacility0.00.00.0

us-gaap:RevolvingCreditFacility, cnx:CNXMidstreamPartnersLPRevolvingCreditFacility


None
Period End2020-06-302020-03-312019-12-31
Value319347311
Percentage of LongTermDebt12.413.011.3
Percentage of Assets3.84.13.4
Percentage of Assets us-gaap:RevolvingCreditFacility cnx:CNXMidstreamPartnersLPRevolvingCreditFacility0.00.00.0

us-gaap:RevolvingCreditFacility, cnx:CNXRevolvingCreditFacility


None
Period End2020-06-302020-03-312019-12-31
Value550437661
Percentage of LongTermDebt21.516.424.0
Percentage of Assets6.65.17.3
Percentage of Assets us-gaap:RevolvingCreditFacility cnx:CNXRevolvingCreditFacility0.00.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument

cnx:A6.50SeniorNotesdueMarch2026


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3953953953953953943943943943940.0
Percentage of LongTermDebt15.414.914.40.00.00.016.618.116.917.80.0
Percentage of Assets4.84.64.44.34.34.54.64.84.84.90.0
Percentage of Assets cnx:A6.50SeniorNotesdueMarch20260.00.00.00.00.00.00.00.00.00.00.0

cnx:Convertible225SeniorNotesDue2026


None
Period End2020-06-302019-12-31
Value2290.0
Percentage of LongTermDebt9.00.0
Percentage of Assets2.80.0
Percentage of Assets cnx:Convertible225SeniorNotesDue20260.00.0

cnx:SeniorNotesDueMarch2027


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5005005005005005000.0
Percentage of LongTermDebt19.518.818.20.00.00.00.0
Percentage of Assets6.05.95.55.45.55.70.0
Percentage of Assets cnx:SeniorNotesDueMarch20270.00.00.00.00.00.00.0

cnx:SeniorNotesdueApril2022


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value41382389589589589512961316131613161709
Percentage of LongTermDebt16.131.032.50.00.00.054.560.356.559.678.1
Percentage of Assets5.09.79.99.69.810.215.116.016.016.224.7
Percentage of Assets cnx:SeniorNotesdueApril20220.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


None
Period End2020-06-30
Value229
Percentage of LongTermDebt9.0
Percentage of Assets2.8
Percentage of Assets cnx:Convertible225SeniorNotesDue2026 us-gaap:ConvertibleDebt0.0

us-gaap:LongTermDebt us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value2577267627632649262824412387219423422226220425242621264727522760275027552740274325632566324132393218311831183127
Percentage of LongTermDebt100.6100.6100.30.00.00.0100.4100.4100.5100.7100.8100.9100.9101.0101.0101.1101.1101.2101.1100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.031.430.528.528.727.827.826.728.527.431.828.129.029.230.028.928.125.725.124.523.321.827.627.627.826.927.424.7
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value254026402754264026182430237821842330221121872500259626202722273427232725271227392558256132363236321431153115312331243124312431273122312231223123312631273128363
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.531.030.428.428.627.727.726.628.427.231.627.828.828.929.628.627.825.424.824.523.321.727.527.627.826.927.324.524.524.824.724.924.824.824.925.725.625.625.94.7

None

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value37037647647642738739830444
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.45.35.14.74.44.63.70.6

None

us-gaap:MinorityInterest

us-gaap:MinorityInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8208088017867747597517387307230.01391421421421421451491531540.00.0-0.989-0.591-0.304-0.0470.2160.3210.00.0-5.129-4.513-8.464238
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0
Percentage of Assets9.99.58.88.58.58.78.79.08.98.90.01.61.61.61.61.51.51.41.41.40.00.0-0.0-0.0-0.0-0.00.00.00.00.0-0.0-0.0-0.13.1

None

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value404042160196200159106103120105125110119151172244194166148162156158121132133131103102128131138131129124159149154144132
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.51.72.12.31.91.31.31.51.51.41.21.31.71.82.51.81.51.31.51.31.31.01.11.11.20.80.81.01.01.11.01.01.01.31.21.31.21.7

None

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value79921101221371500.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.01.11.21.31.51.70.0

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3746383641604434432542154329431043084344389939313945376337984147412545894702473246815297532952545059509250063958402539723953379638693774361034263219312529441785
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.045.045.947.847.348.050.452.552.553.556.343.843.741.541.443.442.242.843.042.342.645.045.344.843.744.043.931.131.631.531.230.230.730.028.828.226.425.624.423.0

None

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value456646444962522150994974508150485038506738994071408739063940429042714739485548875329500639574025397239533796387036103426321431212936202416741377
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.954.554.856.255.856.759.161.561.462.456.345.345.343.142.944.943.744.244.443.745.343.931.131.631.531.230.230.728.828.226.325.524.326.022.20.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-12.382-12.493-12.605-7.778-7.819-7.86-7.904-6.472-6.494-8.306-8.476-382.092-385.567-389.042-392.556-342.207-331.054-327.896-315.598-251.856-181.9-170.563-151.1-155.92-359.715-350.65-325.117-649.896-663.768-742.893-747.342-799.791-753.444-713.846-801.554-800.896-850.554-875.704-874.338-640.504-461.9-419.284
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.3-0.3-0.3-0.1-0.2-0.2-0.2-0.1-0.1-0.2-0.2-9.4-9.4-10.0-10.0-8.0-7.8-6.9-6.5-5.20.00.0-2.80.00.00.0-6.5-16.4-16.5-18.7-18.9-21.1-19.50.0-22.2-23.4-26.5-28.1-29.8-31.6-27.6-30.4
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-4.3-4.3-4.3-4.3-3.6-3.4-3.1-2.9-2.3-1.7-1.4-1.3-1.3-3.1-3.0-2.9-5.1-5.2-5.9-5.9-6.4-6.0-5.7-6.4-6.6-7.0-7.2-7.2-8.2-6.10.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value226122052199220322492264231123722409245024862476246724602453244524362435243024252412242424122405238523642347233623202296227522622250223422192207219421781033993966
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest49.547.544.343.245.244.645.847.147.562.861.160.663.262.457.257.351.450.249.70.00.045.50.00.00.047.259.358.058.458.159.958.40.061.964.868.770.374.251.159.370.2
Percentage of Assets27.225.924.324.125.626.428.228.929.735.327.727.427.226.825.625.022.722.321.722.020.520.620.620.820.620.818.418.318.418.118.118.017.917.818.318.118.018.013.313.20.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value1.8781.8741.871.8791.9641.992.0552.1382.192.2412.3052.3042.3042.2982.2982.2982.2972.2942.2942.2942.2912.3062.3052.3052.3012.2942.2922.2912.2892.2842.2782.2762.2752.2732.2732.2732.2732.2731.831.831.851
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.00.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value8208088017867747597517387307230.01391421421421421451491531540.00.0-0.989-0.591-0.304-0.0470.2160.3210.00.0-5.129-4.513-8.464238212163
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest18.017.416.215.115.215.314.814.614.514.30.03.43.53.63.63.33.43.23.23.20.00.0-0.0-0.0-0.0-0.00.00.00.00.0-0.2-0.1-0.311.812.711.8
Percentage of Assets9.99.58.88.58.58.78.79.08.98.90.01.61.61.61.61.51.51.41.41.40.00.0-0.0-0.0-0.0-0.00.00.00.00.0-0.0-0.0-0.13.12.80.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value374638364160443443254215432943104308434438993931394537633798414741254589470247324681529753295254505950925006395840253972395337963869377436103426321931252944178514621214
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest82.082.683.884.984.884.785.285.485.585.7100.096.696.596.496.496.796.696.896.896.80.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.2100.1100.388.287.388.2
Percentage of Assets45.045.045.947.847.348.050.452.552.553.556.343.843.741.541.443.442.242.843.042.342.645.045.344.843.744.043.931.131.631.531.230.230.730.028.828.226.425.624.423.019.40.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value14951641197122432127197120712003194019401455182518521682172720332008247825792551243530533054299530113055296422572351239324022319235922352184202518831832168014561010766
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest32.735.339.743.041.739.640.839.738.538.337.344.845.343.143.847.447.052.353.152.20.00.057.30.00.00.059.257.158.460.360.861.161.00.060.559.158.658.757.272.060.455.6
Percentage of Assets18.019.221.824.223.322.524.124.423.623.921.020.320.518.618.821.320.523.123.622.822.125.926.025.626.026.426.017.718.419.019.018.518.717.817.416.715.415.013.918.713.40.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1878000.01874000.01870000.01870000.01879000.01964000.01990000.02055000.02138000.02190000.02241000.02305000.02304000.02304000.02298000.02298000.02298000.02297000.02294000.02294000.02294000.02291000.02306000.02305000.02305000.02301000.02294000.02292000.02291000.02289000.02284000.02278000.02276000.02275000.02273000.02273000.02273000.02273000.02273000.01830000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2261220521992197220322492264231123722409245024862476246724602453244524362435243024252412242424122405238523642347233623202296227522622250223422192207219421781033
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.225.924.323.724.125.626.428.228.929.735.327.727.427.226.825.625.022.722.321.722.020.520.620.620.820.620.818.418.318.418.118.118.017.917.818.318.118.018.013.3

None

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1495164119712243212719712071200319401940145518251852168217272033200824782579255124353053305429953011305529642257235123932402231923592235218420251883183216801456
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.019.221.824.223.322.524.124.423.623.921.020.320.518.618.821.320.523.123.622.822.125.926.025.626.026.426.017.718.419.019.018.518.717.817.416.715.415.013.918.7

None

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-12.382-12.493-12.605-7.778-7.819-7.86-7.904-6.472-6.494-8.306-8.476-382.092-385.567-389.042-392.556-342.207-331.054-327.896-315.598-251.856-181.9-170.563-151.1-155.92-359.715-350.65-325.117-649.896-663.768-742.893-747.342-799.791-753.444-713.846-801.554-800.896-850.554-875.704-874.338-640.504-461.9-419.284
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-4.3-4.3-4.3-4.3-3.6-3.4-3.1-2.9-2.3-1.7-1.4-1.3-1.3-3.1-3.0-2.9-5.1-5.2-5.9-5.9-6.4-6.0-5.7-6.4-6.6-7.0-7.2-7.2-8.2-6.10.0

None

us-gaap:MinorityInterest

us-gaap:MinorityInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8208088017867747597517387307230.01391421421421421451491531540.00.0-0.989-0.591-0.304-0.0470.2160.3210.00.0-5.129-4.513-8.464238
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0
Percentage of Assets9.99.58.88.58.58.78.79.08.98.90.01.61.61.61.61.51.51.41.41.40.00.0-0.0-0.0-0.0-0.00.00.00.00.0-0.0-0.0-0.13.1

None

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.650.0040.0620.0990.0240.1260.5071.056
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.6460.0590.0940.0230.1260.5061.05
Percentage of StockIssuedDuringPeriodValueNewIssues99.895.294.995.8100.099.899.4
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0040.0040.0030.0050.0010.00.0010.006
Percentage of StockIssuedDuringPeriodValueNewIssues0.2100.04.85.14.20.00.20.6
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.0

us-gaap:Parent


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.650.0040.0620.0990.0240.1260.5071.056
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.0

None

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value2.5666.8423105.485.2435.7084.91-11.162119.9756.7027.6587.771105.6244.67151113269.4151111111213
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2.1866.33623104.8444.7375.0184.331-7.3729.3848.3276.6447.3767.483105.3164.675.7076.6487.4819.3637.0149.60815151113269.41511101611111213
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue85.292.697.794.488.490.387.988.266.081.883.599.196.396.397.194.5100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value0.380.5040.3990.3280.540.6120.6360.5060.6910.579-3.792.0841.6480.0580.2820.2880.3070.3080.00.00.00.00.00.00.00.00.00.00.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue14.87.40.00.02.35.611.69.712.111.834.018.216.50.93.73.72.95.50.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2.1866.33623104.8444.7375.0184.331-7.3729.3848.3276.6447.3767.483105.3164.675.7076.6487.4819.3637.0149.60815151113269.41511101611111213
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue85.292.697.794.488.490.387.988.266.081.883.599.196.396.397.194.5100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value143267114305252308195239191259176178882058216295128101110652288629322133669195125268197162138229275456360435252373331174
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues96.664.222.757.641.7110.945.360.347.652.338.326.610.329.417.921.833.323.013.313.510.125.79.333.123.634.7-15.915.910.320.814.314.09.516.117.830.022.729.718.627.725.714.0

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value45407449
Percentage of NetCashProvidedByUsedInOperatingActivities31.615.029.716.2
Percentage of Revenues30.69.612.417.9
Percentage of Revenues us-gaap:VariableInterestEntityPrimaryBeneficiary68.950.095.769.1

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-122.701-138.074-198.213-327.948-327.946-293.332-309.81754-212.517-426.344-233.799-84.647184-87.642266-70.676-29.016320-113.881-209.721-352.712-319.903-116.443-199.719-389.739-335.481357-94.311-233.584-231.542-413.63-102.771-195.924-288.085-347.212342-321.083-253.008-288.644-218.594-4771.094-265.642
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-82.4-33.2-39.3-61.9-54.2-105.4-71.813.6-52.8-86.0-50.8-12.621.3-12.557.6-9.5-10.257.5-14.9-25.8-54.4-36.0-12.4-22.6-41.6-34.6-81.6-7.7-19.2-18.0-29.8-8.9-13.5-20.2-22.522.5-20.2-17.3-21.3-16.2-370.0-21.4

us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-14.297-32.659-104.31-78.557
Percentage of NetCashProvidedByUsedInInvestingActivities11.723.731.826.8
Percentage of Revenues-9.6-7.8-17.2-28.2
Percentage of Revenues us-gaap:VariableInterestEntityPrimaryBeneficiary-21.6-40.7-133.6-108.8

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-33.202-107.5794-4.59884-8.54688-305.489-6.717-259.673294-107.108-35.075-116.686-368.506-109.6-395.303-95.3461.874384211-80.138-18.74-27.089-11.954-13.954-120.877-30.36121-33.5586.584-28.692-29.645-29.824-24.777-353.696-140.332-87.33553-173.22525941904
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-22.3-25.818.7-0.914.0-3.120.6-76.9-1.7-52.464.1-16.0-4.1-16.7-79.8-14.7-138.3-17.10.247.232.6-9.0-2.0-3.1-1.3-1.427.6-2.510.0-2.60.5-2.5-2.0-2.1-1.6-23.2-8.8-6.03.9-12.8201.2153.6

us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-35.444-2.264124
Percentage of NetCashProvidedByUsedInFinancingActivities106.82.148.7-289.6
Percentage of Revenues-23.8-0.56.88.9
Percentage of Revenues us-gaap:VariableInterestEntityPrimaryBeneficiary-53.7-2.852.734.3

None

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-12.1052110-27.1278.6396.774-25.474-12.174-27.644-426.677
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.15.22.1-5.11.42.4-5.9-3.1-6.9-86.1

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value143267114305252308195239191259176178882058216295128101110652288629322133669195125268197162138229275456360435252373331174
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues96.664.222.757.641.7110.945.360.347.652.338.326.610.329.417.921.833.323.013.313.510.125.79.333.123.634.7-15.915.910.320.814.314.09.516.117.830.022.729.718.627.725.714.0

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value45407449
Percentage of NetCashProvidedByUsedInOperatingActivities31.615.029.716.2
Percentage of Revenues30.69.612.417.9
Percentage of Revenues us-gaap:VariableInterestEntityPrimaryBeneficiary68.950.095.769.1

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-145.749-329.086-271.408115162-87.33710112542527276-26.441169-38.966-306.04725-469.828-97.57230118-603.3017973-1.645-24.935116738-64.049-12.813-1.564149-11.3681529719516777192104756610014387113195
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-97.9-79.0-53.821.826.9-31.423.631.510.4106.460.1-3.919.6-5.6-66.23.4-164.4-17.54.014.6-93.08.97.9-0.2-2.712.0-168.5-5.2-1.1-0.110.8-1.010.56.812.711.04.913.17.75.65.28.10.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value32454634
Percentage of NetIncomeLoss-22.5-13.928.6-40.0
Percentage of Revenues22.011.07.712.6
Percentage of Revenues us-gaap:VariableInterestEntityPrimaryBeneficiary49.757.159.548.4

None

us-gaap:ProfitLoss

us-gaap:ProfitLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-130.486-305.222-240.055143192-64.65110114661545276-25.651173-33.502-301.63127-468.649-96.45834125-603.3017973-1.645-24.935116736-63.651-12.526-1.821149-11.4731529719516777192104757010715093118204
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-87.7-73.3-47.627.231.8-23.223.637.015.3110.060.1-3.820.1-4.8-65.33.7-164.0-17.34.515.4-93.08.97.9-0.2-2.712.0-168.2-5.2-1.0-0.110.8-1.010.56.812.711.04.913.17.75.65.58.70.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value15233128302227211917-10.5670.794.3135.4644.4132.2481.1791.1143.92-0.444-0.398-0.287-0.257-0.263-0.1050.00.00.00.0
Percentage of ProfitLoss-11.7-7.8-13.119.715.7-35.127.014.831.63.3-3.8-3.12.5-16.3-1.58.1-0.3-1.211.4-0.10.62.314.1-0.20.90.00.00.00.0
Percentage of Revenues10.35.76.25.45.08.16.45.54.83.6-2.30.10.50.81.00.30.40.20.50.1-0.0-0.0-0.0-0.0-0.00.00.00.00.0
Percentage of Revenues us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-145.749-329.086162-87.33710112542527276-26.44169-38.966-306.04425-469.833-97.5723073-1.645-24.934116738-63.651-12.526-1.564149-11.3681529719516777192
Percentage of ProfitLoss111.7107.884.3135.1100.085.268.496.7100.0103.197.5116.3101.591.9100.3101.288.6100.0100.0100.0100.0100.2100.0100.085.9100.299.1100.0100.0100.0100.0100.0100.0
Percentage of Revenues-97.9-79.026.9-31.423.631.510.4106.460.1-3.919.6-5.6-66.23.4-164.4-17.54.07.9-0.2-2.712.0-168.5-5.2-1.0-0.110.8-1.010.56.812.711.04.913.1
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-145.749-329.086-271.409115162-87.33710112542527276-26.44169-38.966-306.04425-469.833-97.5723073-1.645-24.934116738-63.651-12.526-1.564149-11.3681529719516777192
Percentage of ProfitLoss111.7107.8113.180.384.3135.1100.085.268.496.7100.0103.197.5116.3101.591.9100.3101.288.6100.0100.0100.0100.0100.2100.0100.085.9100.299.1100.0100.0100.0100.0100.0100.0
Percentage of Revenues-97.9-79.0-53.821.826.9-31.423.631.510.4106.460.1-3.919.6-5.6-66.23.4-164.4-17.54.07.9-0.2-2.712.0-168.5-5.2-1.0-0.110.8-1.010.56.812.711.04.913.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value113129133120128125130119119124-2.572148117148156151135160191152154150155148137129-28.652169159161159153153155151159157149154161132119
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CNXM


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value10108.2948.086
Percentage of DepreciationDepletionAndAmortization9.47.86.46.5

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value102119120117
Percentage of DepreciationDepletionAndAmortization90.692.293.693.5

None

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.0513.282-0.543-3.715-5.46.927-0.011-0.773-0.177-0.066-2.28-11.7725.4834.3152.839-12.1160.4717.476-15.5121.2566.453.3717.3912.6338.181.7293.476-10.354-10.96301838-73.3882616-17.972-27.72729-3.793-31.519-36.10822
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-25.683-99.7460.9594840-11.5598668-23.5213-185.7172559-41.93619351-97.389-27.12712931-291.914-21.2-16.97-7.2455.6368.149-5.678-38.0976.6930.305-1.424-35.8532-2.265-53.131-7.472-15.5072313-4.3684.5153.225
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.5666.841.8681.78123105.485.2435.7084.91-11.162119.9756.7027.6587.771105.6244.6575.726.6487.4819.3637.0149.608156.0731113269.415111016111112131413109.949
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AmortizationOfFinancingCosts

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


None
Period End2020-06-30
Value161000.0
Percentage of AmortizationOfFinancingCosts100.0

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-122.701-138.074-198.213-327.948-327.946-293.332-309.81754-212.517-426.344-233.799-84.647184-87.642266-70.676-29.016320-113.881-209.721-352.712-319.903-116.443-199.719-389.739-335.481357-94.311-233.584-231.542-413.63-102.771-195.924-288.085-347.212342-321.083-253.008-288.644-218.594-4771.094-265.642
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-82.4-33.2-39.3-61.9-54.2-105.4-71.813.6-52.8-86.0-50.8-12.621.3-12.557.6-9.5-10.257.5-14.9-25.8-54.4-36.0-12.4-22.6-41.6-34.6-81.6-7.7-19.2-18.0-29.8-8.9-13.5-20.2-22.522.5-20.2-17.3-21.3-16.2-370.0-21.4

us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-14.297-32.659-104.31-78.557
Percentage of NetCashProvidedByUsedInInvestingActivities11.723.731.826.8
Percentage of Revenues-9.6-7.8-17.2-28.2
Percentage of Revenues us-gaap:VariableInterestEntityPrimaryBeneficiary-21.6-40.7-133.6-108.8

None

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value13415222833632929932229726423218217716011247643678127259341294318355368451300437352405423437407306384412330254332244312265
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-33.202-107.5794-4.59884-8.54688-305.489-6.717-259.673294-107.108-35.075-116.686-368.506-109.6-395.303-95.3461.874384211-80.138-18.74-27.089-11.954-13.954-120.877-30.36121-33.5586.584-28.692-29.645-29.824-24.777-353.696-140.332-87.33553-173.22525941904
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-22.3-25.818.7-0.914.0-3.120.6-76.9-1.7-52.464.1-16.0-4.1-16.7-79.8-14.7-138.3-17.10.247.232.6-9.0-2.0-3.1-1.3-1.427.6-2.510.0-2.60.5-2.5-2.0-2.1-1.6-23.2-8.8-6.03.9-12.8201.2153.6

us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-35.444-2.264124
Percentage of NetCashProvidedByUsedInFinancingActivities106.82.148.7-289.6
Percentage of Revenues-23.8-0.56.88.9
Percentage of Revenues us-gaap:VariableInterestEntityPrimaryBeneficiary-53.7-2.852.734.3

None

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.48917161515-40.8391413130.00.00.00.00.00.00.02.2942.292.281414144328142828280.0562828282822222222222218
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.00.07.69777328712785801030.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

None

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

cnx:Convertible225SeniorNotesDue2026


None
Period End2020-06-30
Value0.0225
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations cnx:Convertible225SeniorNotesDue20260.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


None
Period End2020-06-30
Value0.0225
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations cnx:Convertible225SeniorNotesDue2026 us-gaap:ConvertibleDebt0.0

None

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.180.3330.2420.2540.1750.152-0.0450.279-1.0270.288-1.76684.410.2830.58-0.2660.4670.30.34-0.1150.3490.343-0.479-0.005-0.0080.0260.065-8.82-21.59530.096-0.4020.018-0.0410.2430.18-0.009-0.0240.230.2350.005-0.0210.0090.241
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312011-01-022010-12-312010-09-302010-06-302010-03-312010-01-022009-12-312008-12-31
Value333131313131393937378.4378.4379.1031515124.2652.542.542.543422222234252525374265659191565656787884
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2538165.48432231742548250946
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall

cnx:AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall


None
Period End2020-06-30
Value26
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall100.0

cnx:AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-30
Value26
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall100.0

us-gaap:Parent


None
Period End2020-06-30
Value26
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall100.0

cnx:AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall us-gaap:SubsidiarySaleOfStock

cnx:CappedCallTransaction


None
Period End2020-04-30
Value26
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall0.0

cnx:CreditFacilityDebtCovenantSecuredLeverageRatio us-gaap:CreditFacility, dei:LegalEntity

cnx:CreditFacilityDebtCovenantSecuredLeverageRatio

us-gaap:RevolvingCreditFacility, cnx:CNXM


None
Period End2020-06-302020-03-31
Value03.0
Percentage of CreditFacilityDebtCovenantSecuredLeverageRatio0.0100.0

cnx:CreditFacilityDebtCovenantSecuredLeverageRatio us-gaap:Range, us-gaap:CreditFacility, dei:LegalEntity

srt:Maximum, us-gaap:RevolvingCreditFacility, cnx:CNXM


None
Period End2020-06-302020-03-31
Value03.5
Percentage of CreditFacilityDebtCovenantSecuredLeverageRatio0.0116.7

cnx:CreditFacilityDebtCovenantTotalLeverageRatio us-gaap:CreditFacility, dei:LegalEntity

cnx:CreditFacilityDebtCovenantTotalLeverageRatio

us-gaap:RevolvingCreditFacility, cnx:CNXM


None
Period End2020-06-302020-03-31
Value04.0
Percentage of CreditFacilityDebtCovenantTotalLeverageRatio0.0100.0

cnx:CreditFacilityDebtCovenantTotalLeverageRatio us-gaap:Range, us-gaap:CreditFacility, dei:LegalEntity

srt:Maximum, us-gaap:RevolvingCreditFacility, cnx:CNXM


None
Period End2020-06-302020-03-31
Value05.25
Percentage of CreditFacilityDebtCovenantTotalLeverageRatio0.0131.2

srt:Minimum, us-gaap:RevolvingCreditFacility, cnx:CNXM


None
Period End2020-06-302020-03-31
Value04.75
Percentage of CreditFacilityDebtCovenantTotalLeverageRatio0.0118.8

cnx:DebtInstrumentNetLeverageRatio us-gaap:Range, us-gaap:CreditFacility

cnx:DebtInstrumentNetLeverageRatio

srt:Maximum, us-gaap:RevolvingCreditFacility


None
Period End2020-06-302020-03-312019-09-30
Value04.00
Percentage of DebtInstrumentNetLeverageRatio0.0100.00.0

cnx:DebtInstrumentPurchaseofOutstandingDebt us-gaap:DebtInstrument

cnx:DebtInstrumentPurchaseofOutstandingDebt

cnx:SeniorNotesdueApril2022


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value409710.08.625391200.0-8.625400250.019
Percentage of DebtInstrumentPurchaseofOutstandingDebt100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0

cnx:DebtInstrumentPurchaseofOutstandingDebt us-gaap:DebtInstrument, us-gaap:SubsequentEventType

cnx:SeniorNotesdueApril2022, us-gaap:SubsequentEvent


None
Period End2020-04-27
Value7.625
Percentage of DebtInstrumentPurchaseofOutstandingDebt0.0

cnx:DebtInstrumentPurchaseofOutstandingDebt us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

srt:ScenarioForecast, cnx:SeniorNotesdueApril2022, us-gaap:SubsequentEvent


None
Period End2020-08-14
Value50
Percentage of DebtInstrumentPurchaseofOutstandingDebt0.0

cnx:EPDepreciationDepletionandAmortization

cnx:EPDepreciationDepletionandAmortization


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value11312913312012812513011911912412310191951051011051051088987858882717166585252
Percentage of EPDepreciationDepletionandAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:GatheringRevenueExcludingRelatedParty us-gaap:ConsolidatedEntities

cnx:GatheringRevenueExcludingRelatedParty

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value11171818
Percentage of GatheringRevenueExcludingRelatedParty100.0100.0100.0100.0

cnx:GeneralandAdministrativeExpenseExcludingRelatedParty us-gaap:ConsolidatedEntities

cnx:GeneralandAdministrativeExpenseExcludingRelatedParty

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value1585000.02765000.01364000.01536000.0
Percentage of GeneralandAdministrativeExpenseExcludingRelatedParty100.0100.0100.0100.0

cnx:MaximumInterestRatioperCreditFacilityCovenant us-gaap:Range, us-gaap:CreditFacility, dei:LegalEntity

cnx:MaximumInterestRatioperCreditFacilityCovenant

srt:Maximum, us-gaap:RevolvingCreditFacility, cnx:CNXM


None
Period End2020-06-302020-03-312018-03-08
Value05.55.5
Percentage of MaximumInterestRatioperCreditFacilityCovenant0.0100.0100.0

srt:Minimum, us-gaap:RevolvingCreditFacility, cnx:CNXM


None
Period End2020-06-302020-03-312018-03-08
Value05.254.75
Percentage of MaximumInterestRatioperCreditFacilityCovenant0.095.586.4

cnx:NetProceedsfromRevolverMLP

cnx:NetProceedsfromRevolverMLP


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-28.035653871524033-9.0-129.513-2.0-7.0-4.0-7.010.0-2.0155.01800.00.00.0
Percentage of NetProceedsfromRevolverMLP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

cnx:OperatingExpenseExcludingRelatedParty us-gaap:ConsolidatedEntities

cnx:OperatingExpenseExcludingRelatedParty

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value6.0498.5966.1885.974
Percentage of OperatingExpenseExcludingRelatedParty100.0100.0100.0100.0

cnx:PaymentsForPurchaseOfCappedCallRelatedToConvertibleDebt us-gaap:SubsidiarySaleOfStock

cnx:PaymentsForPurchaseOfCappedCallRelatedToConvertibleDebt

cnx:CappedCallTransaction


None
Period End2020-04-30
Value35
Percentage of PaymentsForPurchaseOfCappedCallRelatedToConvertibleDebt100.0

cnx:PaymentsOnLongTermNotesIncludingRedemptionPremium

cnx:PaymentsOnLongTermNotesIncludingRedemptionPremium


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value408590.00.00.040519212318405259618980.00.00.00.00.00.02.711261-3687.73225915830.00.00.00.00.00.00.00.00.0
Percentage of PaymentsOnLongTermNotesIncludingRedemptionPremium100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.0

cnx:ProductionRoyaltyInterestsandPurchasedGasCosts

cnx:ProductionRoyaltyInterestsandPurchasedGasCosts


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value19242827181627109.747172013108.89514118.8847.86815103.635161815162616131412
Percentage of ProductionRoyaltyInterestsandPurchasedGasCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:RelatedPartyExpenseGatheringFee us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

cnx:RelatedPartyExpenseGatheringFee

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:MarcellusShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value51592.05553
Percentage of RelatedPartyExpenseGatheringFee100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:UticaShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value592.7590.5410.664
Percentage of RelatedPartyExpenseGatheringFee113.74.726.31.2

cnx:SegmentReportingCapitalExpenditures

cnx:SegmentReportingCapitalExpenditures


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value13415222833632929932229726423218217716011247643778127259341294318355368451474313357349
Percentage of SegmentReportingCapitalExpenditures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:SegmentReportingCapitalExpenditures us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CNXM


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value143210475
Percentage of SegmentReportingCapitalExpenditures10.721.531.825.2

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value120119224223
Percentage of SegmentReportingCapitalExpenditures89.378.568.274.8

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt


None
Period End2020-06-30
Value78
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-30
Value78
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt100.0

us-gaap:Parent


None
Period End2020-06-30
Value78
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt100.0

us-gaap:AmortizationOfDebtDiscountPremium us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AmortizationOfDebtDiscountPremium

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


None
Period End2020-06-30
Value2325000.0
Percentage of AmortizationOfDebtDiscountPremium100.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-3598000.0-10639000.000
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.00.00.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:InterestRateSwap, us-gaap:InterestExpense


None
Period End2020-06-302020-03-31
Value-3598000.0-10639000.0
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareCashPaid


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value000000000000000000.010.010.010.06250.06250.0620.06250.06250.06250.1250.1250.12500.250.1250.1250.1250.1250.10.10.10.10.10.10.1
Percentage of CommonStockDividendsPerShareCashPaid0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:LineOfCredit, cnx:CSGHoldingsFacility, us-gaap:LondonInterbankOfferedRateLIBOR


None
Period End2020-03-31
Value0.0675
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:LineOfCredit, cnx:CardinalStatesFacility, us-gaap:LondonInterbankOfferedRateLIBOR


None
Period End2020-03-31
Value0.045
Percentage of DebtInstrumentBasisSpreadOnVariableRate166.7

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:Range, us-gaap:VariableRate

srt:Maximum, cnx:OneMonthLIBOR


None
Period End2020-03-31
Value0.0125
Percentage of DebtInstrumentBasisSpreadOnVariableRate118.5

srt:Maximum, us-gaap:LondonInterbankOfferedRateLIBOR


None
Period End2020-03-31
Value0.0225
Percentage of DebtInstrumentBasisSpreadOnVariableRate133.3

srt:Minimum, cnx:OneMonthLIBOR


None
Period End2020-03-31
Value0.0025
Percentage of DebtInstrumentBasisSpreadOnVariableRate13.7

srt:Minimum, us-gaap:LondonInterbankOfferedRateLIBOR


None
Period End2020-03-31
Value0.0125
Percentage of DebtInstrumentBasisSpreadOnVariableRate118.5

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:Range, us-gaap:VariableRate, dei:LegalEntity

srt:Maximum, cnx:OneMonthLIBOR, cnx:CNXM


None
Period End2020-03-31
Value0.015
Percentage of DebtInstrumentBasisSpreadOnVariableRate122.2

srt:Maximum, us-gaap:LondonInterbankOfferedRateLIBOR, cnx:CNXM


None
Period End2020-03-31
Value0.025
Percentage of DebtInstrumentBasisSpreadOnVariableRate137.0

srt:Minimum, cnx:OneMonthLIBOR, cnx:CNXM


None
Period End2020-03-31
Value0.005
Percentage of DebtInstrumentBasisSpreadOnVariableRate17.4

srt:Minimum, us-gaap:LondonInterbankOfferedRateLIBOR, cnx:CNXM


None
Period End2020-03-31
Value0.015
Percentage of DebtInstrumentBasisSpreadOnVariableRate122.2

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:VariableRate

cnx:FederalFundsOpenRate


None
Period End2020-03-31
Value0.005
Percentage of DebtInstrumentBasisSpreadOnVariableRate17.4

cnx:OneMonthLIBOR


None
Period End2020-03-31
Value0.01
Percentage of DebtInstrumentBasisSpreadOnVariableRate114.8

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:VariableRate, dei:LegalEntity

cnx:FederalFundsOpenRate, cnx:CNXM


None
Period End2020-03-31
Value0.005
Percentage of DebtInstrumentBasisSpreadOnVariableRate17.4

cnx:OneMonthLIBOR, cnx:CNXM


None
Period End2020-03-31
Value0.01
Percentage of DebtInstrumentBasisSpreadOnVariableRate114.8

us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1 us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1

cnx:Convertible225SeniorNotesDue2026, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:ConvertibleDebt


None
Period End2020-04-30
Value30.0
Percentage of DebtInstrumentConvertibleThresholdConsecutiveTradingDays1100.0

cnx:Convertible225SeniorNotesDue2026, us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:ConvertibleDebt


None
Period End2020-04-30
Value10.0
Percentage of DebtInstrumentConvertibleThresholdConsecutiveTradingDays133.3

us-gaap:DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger

cnx:Convertible225SeniorNotesDue2026, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:ConvertibleDebt


None
Period End2020-04-30
Value1.3
Percentage of DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger100.0

cnx:Convertible225SeniorNotesDue2026, us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:ConvertibleDebt


None
Period End2020-04-30
Value0.98
Percentage of DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger75.4

us-gaap:DebtInstrumentConvertibleThresholdTradingDays us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleThresholdTradingDays

cnx:Convertible225SeniorNotesDue2026, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:ConvertibleDebt


None
Period End2020-04-30
Value20.0
Percentage of DebtInstrumentConvertibleThresholdTradingDays100.0

cnx:Convertible225SeniorNotesDue2026, us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:ConvertibleDebt


None
Period End2020-04-30
Value5.0
Percentage of DebtInstrumentConvertibleThresholdTradingDays25.0

us-gaap:Depreciation us-gaap:ConsolidatedEntities

us-gaap:Depreciation

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value8.2097.5785.865.65
Percentage of Depreciation100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:InterestRateSwap, us-gaap:InterestExpense


None
Period End2020-06-30
Value-4134000.0
Percentage of DerivativeGainLossOnDerivativeNet100.0

us-gaap:DerivativeNonmonetaryNotionalAmountVolume us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNonmonetaryNotionalAmountVolume

us-gaap:BasisSwap


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-56.512354974411124-780743.46300860076690010920072700
Percentage of DerivativeNonmonetaryNotionalAmountVolume100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Commodity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-138.61387-41.8-13.4-38.51554-1094615.632000-79400.0114350016880057500
Percentage of DerivativeNonmonetaryNotionalAmountVolume245.3112.2-83.8-18.0-92.8138.2140.2507.9-923.3149.1154.679.1

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:EquityMethodInvestmentDividendsOrDistributions


None
Period End2020-06-302020-03-312019-06-302019-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value0.1310.00.751.306-1.512-4.1-12.5-32.762103.5665.34-1.47
Percentage of EquityMethodInvestmentDividendsOrDistributions100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForwardContractIndexedToIssuersEquityForwardRate us-gaap:Range, us-gaap:OptionIndexedToIssuersEquityEquity, us-gaap:SubsidiarySaleOfStock

us-gaap:ForwardContractIndexedToIssuersEquityForwardRate

srt:Maximum, us-gaap:CallOption, cnx:CappedCallTransaction


None
Period End2020-04-30
Value18.19
Percentage of ForwardContractIndexedToIssuersEquityForwardRate100.0

srt:Minimum, us-gaap:CallOption, cnx:CappedCallTransaction


None
Period End2020-04-30
Value12.84
Percentage of ForwardContractIndexedToIssuersEquityForwardRate70.6

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-05-022018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5.93812343.3080.387-3.0858.0731340.2863.2811-9.2845140115.957155.614-7.26519484.3152.165307.5291.4173.6691519302.306
Percentage of GainLossOnDispositionOfAssets1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets1 us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-1.6630.0110.0-7.229
Percentage of GainLossOnDispositionOfAssets1-28.00.10.0234.3

us-gaap:GainLossOnDispositionOfAssets1 us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7.72612343.00.3874.1438.0691343.019.3763.744451340.0
Percentage of GainLossOnDispositionOfAssets1130.199.9100.090.7100.0-134.3100.0100.091.882.7-40.3101.196.00.0

us-gaap:GainLossOnOilAndGasHedgingActivity

us-gaap:GainLossOnOilAndGasHedgingActivity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-63.303115135213221-195.376-108.9641825351261983-22.463-194.893198-199.38551411431790
Percentage of GainLossOnOilAndGasHedgingActivity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnOilAndGasHedgingActivity us-gaap:ConsolidationItems, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, srt:NaturalGasReserves, cnx:CommoditySwap, us-gaap:ExplorationAndProductionEquipment, cnx:OtherGas, us-gaap:ReportableSubsegments


None
Period End2020-06-30
Value29
Percentage of GainLossOnOilAndGasHedgingActivity-45.8

us-gaap:GainLossOnOilAndGasHedgingActivity us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-63.303115221-195.376
Percentage of GainLossOnOilAndGasHedgingActivity100.0100.0100.0100.0

us-gaap:GainLossOnOilAndGasHedgingActivity us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:CoalbedMethane, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value139.6871.085-4.302
Percentage of GainLossOnOilAndGasHedgingActivity-20.58.40.52.2

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:MarcellusShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value79686.831-27.458
Percentage of GainLossOnOilAndGasHedgingActivity-124.859.53.114.1

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:OtherGas, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-176.57119210-154.015
Percentage of GainLossOnOilAndGasHedgingActivity278.916.595.278.8

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:UticaShale, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value21182.747-9.601
Percentage of GainLossOnOilAndGasHedgingActivity-33.615.61.24.9

us-gaap:GainLossOnOilAndGasHedgingActivity us-gaap:Energy, us-gaap:DerivativeInstrumentRisk

srt:NaturalGasReserves, cnx:CommoditySwap


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-28.97158245-77.711
Percentage of GainLossOnOilAndGasHedgingActivity45.8137.3110.839.8

srt:NaturalGasReserves, us-gaap:BasisSwap


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-34.333-42.98225-23.831-117.665-16.66-37.848
Percentage of GainLossOnOilAndGasHedgingActivity54.2-37.312.1-10.860.2-92.5-147.5

us-gaap:GainLossOnSaleOfCommodityContracts

us-gaap:GainLossOnSaleOfCommodityContracts


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value142151435710-41.382-72.2382.82516-16.9912017-32.285-47.1034138
Percentage of GainLossOnSaleOfCommodityContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfCommodityContracts us-gaap:Energy, us-gaap:DerivativeInstrumentRisk

srt:NaturalGasReserves, cnx:CommoditySwap


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value15315718-26.95
Percentage of GainLossOnSaleOfCommodityContracts107.7104.2174.065.1

srt:NaturalGasReserves, cnx:NYMEXCommoditySwaps


None
Period End2020-06-302020-03-31
Value0.054
Percentage of GainLossOnSaleOfCommodityContracts0.036.4

srt:NaturalGasReserves, cnx:NYMEXNaturalGasHedges


None
Period End2020-06-30
Value29
Percentage of GainLossOnSaleOfCommodityContracts20.4

srt:NaturalGasReserves, us-gaap:BasisSwap


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-10.893-6.418-4.4-7.895-14.432-4.091-0.374
Percentage of GainLossOnSaleOfCommodityContracts-7.7-4.2-7.7-74.034.9-144.8-2.2

us-gaap:GainLossOnSaleOfDerivatives us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:GainLossOnSaleOfDerivatives

us-gaap:InterestRateSwap, us-gaap:InterestExpense


None
Period End2020-06-30
Value-536000.0
Percentage of GainLossOnSaleOfDerivatives100.0

us-gaap:GainLossOnSaleOfOtherAssets

us-gaap:GainLossOnSaleOfOtherAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.93712343.3090.386-3.0858.0731343.2811-9.2845140115.957155.603-7.26519484.3152.165-56.2167.5291.4173.669-14.686-19.836-30.782-2.176-91.978-0.276-209.6941956-15.1324.8160.3231.4337.6092.305-1.439
Percentage of GainLossOnSaleOfOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillImpairmentLoss

us-gaap:GoodwillImpairmentLoss


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.04730.00.0
Percentage of GoodwillImpairmentLoss0.0100.00.00.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.26-0.1610.40.6730.5270.5030.6751.2411.6691.7781512101211159.219161615111188-16.965-14.062-7.4553-3.609-11.87-4.79749-7.573-23.0387.9354.6748.6775.8315.4815.8336.9034.8193.873
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems

us-gaap:OperatingSegments


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-1.2590.1610.6730.5270.5031.2411.6691.77812
Percentage of IncomeLossFromEquityMethodInvestments99.9-100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseCashCollateralFromCounterparties

us-gaap:IncreaseDecreaseCashCollateralFromCounterparties


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value142151435710-41.382-72.2382.82516-16.9912017-32.285-47.1034138808444
Percentage of IncreaseDecreaseCashCollateralFromCounterparties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-24.631-43.63936-28.724-31.511-94.48107-5.969-29.651-14.50551-22.334-23.805275213-38.01219-40.93313-63.861-26.523-161.489113022124-14.215-1.77727-33.577-26.675221733-0.885242629-10.137-75.819152
Percentage of IncreaseDecreaseInAccountsAndNotesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-17.812.322-61.6852535-5.962105.73-5.352.1522121-1.4924.016-14.71733-34.294-11.487-25.204-25.774-79.882-17.72-124.364983616-79.391-7.08313-26.474-25.32446-1.954-39.3124677137.2791537-19.81645
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxes

us-gaap:IncreaseDecreaseInIncomeTaxes


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.821-52.836-51.3561020.035-109.997-12.244-7.60211609.416
Percentage of IncreaseDecreaseInIncomeTaxes100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInInterestPayableNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.495-5.0632.17-2.6912.872.18-11.6519.17-28.26324-34.04832-35.85534-37.02536-36.67435-37.2337-16.5742-42.56643-61.71651-50.27150-50.3850
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.084-1.047-0.466-16.1340.601-7.5088.18-4.3620.126-5.523-9.89-11.295-10.036-7.104-17.96319-4.1471.26836-36.09-10.305-64.9770.786.2683.655-2.3045.341-13.845160.448-21.98732-8.9280.877-0.1751613-29.49432-32.53514
Percentage of IncreaseDecreaseInOtherAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.296-0.6920.0990.006-4.22115-11.705-24.716-0.93684-1.0575.5479.75119-5.725-10.222-6.96614-27.766130.3546.828-0.194176.7491.92-19.56521-10.837-1.299-1.139-5.858-9.44916-4.289-10.687-8.788
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-35.994-13.626444.703-1.958-34.43422286.755-5.25151-5.394-36.18281.014-7.301-14.9180.849-78.77323-28.267-68.71178415618-206.441180-25.95919-1.50454-127.926621743-52.4727519444024
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncreaseDecreaseInPrepaidExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.832-4.712.61-1.438-0.326-3.9611.0541.664-2.3821.0551.2389.646-10.645-0.87-12.603-24.287-28.032-19.104-24.596-19.531-45.084-38.476-2.81-21.3519.036156.04-33.692167.9449.457-21.07125-6.231-5.04224-16.094-7.585-5.24230-3.93-0.782
Percentage of IncreaseDecreaseInPrepaidExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.0-1.5488990.982211.2564430.0-0.0079172.4695732.938472.2523710.6433080.02.1399740.00.020790.00.00.03150.00.7122870.1058950.00.01.3414931.3493140.00.00.0-0.1523430.01.7037912.854742-0.0974072.4195262.4902722464-0.285042.310762.3655642622
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements0.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.00.0100.00.00.00.0100.00.0100.0100.00.00.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDebtExcludingAmortization us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebtExcludingAmortization

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


None
Period End2020-06-30
Value1294000.0
Percentage of InterestExpenseDebtExcludingAmortization100.0

us-gaap:MinorityInterestPeriodIncreaseDecrease

us-gaap:MinorityInterestPeriodIncreaseDecrease


None
Period End2020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value-3.49-17.443-15.689-15.123-14.099-13.613-13.127-5.468-5.468-5.467-5.416-5.416-5.412-5.4130.0320.00.00.05.129-0.6163.951
Percentage of MinorityInterestPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0

us-gaap:MinorityInterestPeriodIncreaseDecrease us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value-3.49-17.443-16.25-15.689-15.123-14.099-13.614-13.127-5.468-5.468-5.467-5.416-5.416-5.412-5.4130.0320.00.00.05.129-0.6163.951
Percentage of MinorityInterestPeriodIncreaseDecrease100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value101012141918161625242121
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAmortizationOfDeferredCharges

us-gaap:OtherAmortizationOfDeferredCharges


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.3482.4471.691.6492.7011.7071.7211.8191.7783.0433.9946.6360.00.0
Percentage of OtherAmortizationOfDeferredCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value15233128302227211917-10.5330.7794.3025.452-4.2792.2481.1791.114
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value-0.111-0.1124.827-0.041-0.041-0.0440.332-0.022-1.812-0.17-1.798-3.464-3.464-3.50240-1.305-8.0452.4844649-9.4670.14990-184.1543.798-5.119-342.852-24.98-42.904-45.757-7.921-7.586
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTax

cnx:AdjustmentForActuariallyDeterminedLiabilities


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-0.039-0.04-0.015-0.014-0.015-0.013-0.687-0.094-2.034-2.0342.052-1.043-5.0080.68229-4.8750.09-107.3832.214-2.985-15.422-26.489-28.25-32.629-4.775-4.570.0-15.110.0
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:OtherExpenses

us-gaap:OtherExpenses


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value262018191723211717164426231721213027232620192513212621262225
Percentage of OtherExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncome

us-gaap:OtherOperatingIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.7534.9584.2423.3162.9233.1973.7963.9038.5341016201615
Percentage of OtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncome us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.0860.0650.00.0
Percentage of OtherOperatingIncome2.31.30.00.0

us-gaap:OtherOperatingIncome us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.495-0.508-0.144-0.059-0.115-0.061-0.067-0.066-0.061-0.081
Percentage of OtherOperatingIncome-13.2-10.2-3.4-1.8-3.9-1.9-1.8-1.7-0.7-0.8

us-gaap:OtherOperatingIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value4.2485.4663.0383.258
Percentage of OtherOperatingIncome113.2110.2103.9101.9

us-gaap:OtherOperatingIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, us-gaap:ExplorationAndProductionEquipment, cnx:OtherGas, us-gaap:ReportableSubsegments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value4.2485.4663.0383.258
Percentage of OtherOperatingIncome113.2110.2103.9101.9

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.848110.0316.5963.3420.0261.029180.00.0480.250.4820.00.00.04.3290.018-24.8612.833220.00.00.00.131-0.131-0.0170.0790.1280.020.1470.112104.5170.0243.657800.0
Percentage of PaymentsOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value63000.01890000.026000.062000.01513000.04709000.050000.0138000.035000.05162000.0-674000.0262000.0815000.06278000.0-20000.012000.0147000.01510000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.650.0040.3550.0490.0620.0990.0240.1260.5071.0560.150.1360.2290.4940.00.00.0010.0030.00.06.5521.7361.6130.1698.2584.9761.0292.6982.4970.9097.0440.7770.4030.0540.00.00.00.00.00.00.01828
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.0

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-3.6671730.00.0
Percentage of ProceedsFromIssuanceOfOtherLongTermDebt100.0100.00.00.0

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.00.00.0500
Percentage of ProceedsFromIssuanceOfSeniorLongTermDebt0.00.00.0100.0

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromSaleOfProductiveAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1213298.1891.2815.8061034751101-12.693813251920209.8318.45327764.8232.1082158.0617.547125-114.2053571021386233122328526877.180.334222.3350.152
Percentage of ProceedsFromSaleOfProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductionTaxExpense

us-gaap:ProductionTaxExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5.3846.1627.3586.1277.036.9468.4737.3427.7039.2339.4135.9194.6069.3297.3179.0276.4028.3035.8338.4756.9389.192108.48610108.6668.0337.4094.569
Percentage of ProductionTaxExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty us-gaap:ConsolidatedEntities

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value4.3673.8286.5145.548
Percentage of RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty us-gaap:ConsolidatedEntities

us-gaap:RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2.7482.8574.0273.967
Percentage of RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty100.0100.0100.0100.0

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


None
Period End2020-03-312019-03-312018-03-31
Value224980.0
Percentage of RepaymentsOfLinesOfCredit100.0100.00.0

us-gaap:RepaymentsOfOtherDebt

us-gaap:RepaymentsOfOtherDebt


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.7771.7921.8271.8071.7681.7471.711.7071.7062.042-0.9072.9713.0312.9422.091.7632.3312.1282.776-2.551.6342.478171.002-1.5034.67-0.746312927-22.1591.9032.3322.332.3072.2153.4073.6982.8482.9742.1033.487
Percentage of RepaymentsOfOtherDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities

us-gaap:ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value23303424483536323431302020212826161712121415161415179.80810108.59
Percentage of ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ResultsOfOperationsImpairmentOfOilAndGasProperties

us-gaap:ResultsOfOperationsImpairmentOfOilAndGasProperties


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.0610.00.0
Percentage of ResultsOfOperationsImpairmentOfOilAndGasProperties0.0100.00.00.0

us-gaap:ResultsOfOperationsImpairmentOfOilAndGasProperties us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

cnx:PinebankFacility


None
Period End2020-03-31
Value61
Percentage of ResultsOfOperationsImpairmentOfOilAndGasProperties100.0

us-gaap:RevenueFromRelatedParties us-gaap:ConsolidatedEntities

us-gaap:RevenueFromRelatedParties

us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value54625953
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationForfeited

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationForfeited


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value63000.01890000.01512000.04709000.051000.0137000.035000.05162000.0674000.0-262000.0-815000.0-6278000.0-16000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationForfeited100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationForfeited us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0309000.06000.0025000.0664000.001000.00347000.01009000.0-1009000.0000
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationForfeited0.016.30.00.01.714.10.00.70.06.7149.7385.1-0.0-0.0-0.0

us-gaap:Parent


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value63000.01581000.01487000.04045000.051000.0136000.035000.04815000.0-335000.0-61000.0-7000.0-6278000.0-16000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationForfeited100.083.798.385.9100.099.3100.093.3-49.723.30.9100.0100.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value63000.01581000.020000.061000.01487000.04045000.051000.0136000.035000.04815000.0-335000.0-61000.0-7000.0-6278000.0-16000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationForfeited100.083.70.00.098.385.9100.099.3100.093.3-49.723.30.9100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value403000.0615600.035722.0522360.0814600.0395650.080843.0682450.0-306270.031824.029059.0956600.0-185540.05920.083710.0484680.0-435440.090055.0324740.01022200.0-311650.013490.0439180.0978710.0-63636.0142180.0249750.0722730.0100670.0130500.0104010.0699460.0117290.092843.0121580.0562290.0203660.058917.094389.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:AwardType

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

cnx:PerformanceShareUnits


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value0274720.000342880.0192930.00357600.000560940.000000497130.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised0.0100.00.00.0100.0100.00.0100.00.00.0100.00.00.00.00.00.0100.0

us-gaap:EmployeeStockOption


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value239840.006953.07093.013748.018546.073583.0153720.0-233730.017048.028838.061624.00000-727240.00287590.076028.07456.0382770.0265340.011655.0160120.084994.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised0.00.00.00.04.09.60.043.00.00.00.011.00.00.00.00.00.00.00.015.30.00.00.00.00.00.0

us-gaap:RestrictedStock


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value163160.0340880.028769.0515260.0457970.0184180.07260.0171140.014776.0221.0334040.05920.083710.0484680.090055.037149.0449000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised0.0124.10.00.0133.695.50.047.90.00.059.60.00.00.00.00.090.3

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodShares


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.00.08.8084333.121054
Percentage of StockRepurchasedDuringPeriodShares0.00.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-205.559-36.01992156210-153.994-36.726158.976521051.51211624-236.802159-279.715-29.2716299-24.93660
Percentage of UnrealizedGainLossOnDerivativesAndCommodityContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts us-gaap:Energy, us-gaap:DerivativeInstrumentRisk

srt:NaturalGasReserves, cnx:CommoditySwap


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-182.1190.545226-50.761
Percentage of UnrealizedGainLossOnDerivativesAndCommodityContracts88.6-1.5107.633.0

srt:NaturalGasReserves, us-gaap:BasisSwap


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-23.44-36.56430-15.936-103.233-12.569-37.474
Percentage of UnrealizedGainLossOnDerivativesAndCommodityContracts11.4101.519.3-7.667.0-82.8-417.5

us-gaap:VariableInterestEntityOwnershipPercentage us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:VariableInterestEntityOwnershipPercentage

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:GeneralPartner


None
Period End2020-06-302020-03-31
Value01.0
Percentage of VariableInterestEntityOwnershipPercentage0.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:LimitedPartner


None
Period End2020-06-302020-01-292020-03-31
Value00.530.34
Percentage of VariableInterestEntityOwnershipPercentage0.034.00.0

us-gaap:VariableInterestEntityOwnershipPercentage us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:SubsequentEventType

us-gaap:VariableInterestEntityPrimaryBeneficiary, srt:ScenarioForecast, us-gaap:LimitedPartner, us-gaap:SubsequentEvent


None
Period End2022-01-01
Value0.565
Percentage of VariableInterestEntityOwnershipPercentage0.0

cnx:AccountsPayabletoAffiliatesAccruedbutUnpaidGatheringServices

cnx:AccountsPayabletoAffiliatesAccruedbutUnpaidGatheringServices


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value14201614151412109.4959.982
Percentage of AccountsPayabletoAffiliatesAccruedbutUnpaidGatheringServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:AccruedTransportationCharges

cnx:AccruedTransportationCharges


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-31
Value222216191913
Percentage of AccruedTransportationCharges100.0100.0100.0100.0100.0100.0

cnx:DebtInstrumentBorrowingBase us-gaap:CreditFacility, us-gaap:SubsequentEventType

cnx:DebtInstrumentBorrowingBase

us-gaap:RevolvingCreditFacility, us-gaap:SubsequentEvent


None
Period End2020-04-272019-10-312019-04-24
Value190023002100
Percentage of DebtInstrumentBorrowingBase100.0100.0100.0

cnx:DrillingCost

cnx:DrillingCost


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value48444764468845664411412038493663355234653583351534913481345233603252305727982388222820441937183017211623155015271446134412771234128511911116913
Percentage of DrillingCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:GasGatheringSystemsNet

cnx:GasGatheringSystemsNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value24922477246323992324212611821131113311271138113311281121114711221113110110881082107410821058104610341024100610009889709639251025980941804
Percentage of GasGatheringSystemsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:GasWellsAndRelatedEquipment

cnx:GasWellsAndRelatedEquipment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1086106710421047983856834825790763791819819814785838802253716397388388688623542508492442419410408374391375367251
Percentage of GasWellsAndRelatedEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:LettersOfCreditAmountOutstanding us-gaap:CreditFacility

cnx:LettersOfCreditAmountOutstanding

us-gaap:RevolvingCreditFacility


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value204204204199198193198251251253239
Percentage of LettersOfCreditAmountOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:LettersOfCreditAmountOutstanding us-gaap:CreditFacility, dei:LegalEntity

us-gaap:RevolvingCreditFacility, cnx:CNXM


None
Period End2020-06-30
Value0.03
Percentage of LettersOfCreditAmountOutstanding0.0

cnx:OtherGasAssets

cnx:OtherGasAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value193191187158150912211901891891901271271281251231251241231251241271261251258290828180797483858415
Percentage of OtherGasAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:SurfaceLandAndOtherEquipment

cnx:SurfaceLandAndOtherEquipment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value225225226233236308309323
Percentage of SurfaceLandAndOtherEquipment100.0100.0100.0100.0100.0100.0100.0100.0

cnx:TotalDeferredCreditsAndOtherLiabilities

cnx:TotalDeferredCreditsAndOtherLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value32763383356934423423321459542634638638215151481150715411441160616321644165316261975200619382163216021034034406841014155424642794244434842544260428242833849
Percentage of TotalDeferredCreditsAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


None
Period End2020-06-302020-03-312019-12-31
Value6991133
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value119.3859.1158.7887.39.7792015172636505642
Percentage of AccrualForTaxesOtherThanIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedBonusesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value6.6086.2096.2485.9096.53312198.349493028373835
Percentage of AccruedBonusesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccruedLiabilitiesAndOtherLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-31
Value304138403130597885
Percentage of AccruedLiabilitiesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedRoyaltiesCurrentAndNoncurrent

us-gaap:AccruedRoyaltiesCurrentAndNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value50707464926044405234
Percentage of AccruedRoyaltiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


None
Period End2020-06-302020-03-312019-12-31
Value78000.0131000.00
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.00.0

us-gaap:AllowanceForDoubtfulOtherReceivablesCurrent

us-gaap:AllowanceForDoubtfulOtherReceivablesCurrent


None
Period End2020-06-302020-03-312019-12-31
Value5131000.05029000.02463000.0
Percentage of AllowanceForDoubtfulOtherReceivablesCurrent100.0100.0100.0

us-gaap:AssetRetirementObligationCurrent

us-gaap:AssetRetirementObligationCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-31
Value5076000.05076000.05076000.05076000.01075000.05302000.0
Percentage of AssetRetirementObligationCurrent100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:AssetRetirementObligationsNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value62646333323337167.6067.98519822322422422316416416416418318117817518018017717519719315014814714412512411811613313085
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsNoncurrent us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:AssetsNoncurrent

us-gaap:VariableInterestEntityPrimaryBeneficiary, cnx:OperatingLeaseRightOfUseAsset


None
Period End2020-06-302020-03-312019-12-31
Value1.5943.2254.731
Percentage of AssetsNoncurrent100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:OtherNoncurrentAssets


None
Period End2020-06-302020-03-312019-12-31
Value2.6982.9453.262
Percentage of AssetsNoncurrent169.391.368.9

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:PropertyPlantAndEquipment


None
Period End2020-06-302020-03-312019-12-31
Value120612001195
Percentage of AssetsNoncurrent75705.137226.225271.4

us-gaap:DebtInstrumentFaceAmount us-gaap:CreditFacility

us-gaap:DebtInstrumentFaceAmount

us-gaap:LineOfCredit


None
Period End2020-03-31
Value175
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:RevolvingCreditFacility


None
Period End2020-03-312019-09-302019-06-302019-04-302018-03-312018-03-302018-03-082018-03-072017-12-31
Value1600.160.16210021001500210015001500
Percentage of DebtInstrumentFaceAmount91.40.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

cnx:Convertible225SeniorNotesDue2026


None
Period End2020-06-30
Value345
Percentage of DebtInstrumentFaceAmount0.0

cnx:SeniorNotesdueApril2022


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value41382289489489489412941314131413141705
Percentage of DebtInstrumentFaceAmount0.0470.30.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


None
Period End2020-06-30
Value345
Percentage of DebtInstrumentFaceAmount0.0

cnx:Convertible225SeniorNotesDue2026AdditionalOptionToInitialPurchasers, us-gaap:ConvertibleDebt


None
Period End2020-06-30
Value45
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentUnamortizedDiscountCurrent us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscountCurrent

cnx:A6.50SeniorNotesdueMarch2026


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.254.4384.6254.8135.05.1875.3755.5625.755.938
Percentage of DebtInstrumentUnamortizedDiscountCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:CSGHoldingsFacility


None
Period End2020-06-302020-03-31
Value0.4780.497
Percentage of DebtInstrumentUnamortizedDiscountCurrent11.211.2

cnx:CardinalStatesFacility


None
Period End2020-06-302020-03-31
Value1.2041.243
Percentage of DebtInstrumentUnamortizedDiscountCurrent28.328.0

cnx:Convertible225SeniorNotesDue2026


None
Period End2020-06-30
Value115
Percentage of DebtInstrumentUnamortizedDiscountCurrent2715.8

us-gaap:DebtInstrumentUnamortizedPremiumCurrent us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedPremiumCurrent

cnx:SeniorNotesdueApril2022


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value363000.0822000.01001000.01108000.01215000.01322000.02069000.02258000.02416000.02573000.03544000.0
Percentage of DebtInstrumentUnamortizedPremiumCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsGross us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsGross

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


None
Period End2020-04-30
Value10
Percentage of DeferredFinanceCostsGross100.0

cnx:Convertible225SeniorNotesDue2026EquityComponent, us-gaap:ConvertibleDebt


None
Period End2020-04-30
Value3.326
Percentage of DeferredFinanceCostsGross32.1

cnx:Convertible225SeniorNotesDue2026LiabilityComponent, us-gaap:ConvertibleDebt


None
Period End2020-04-30
Value7.024
Percentage of DeferredFinanceCostsGross67.9

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1629000.01608000.01587000.01646000.01578000.01532000.02904000.05332000.06075000.04593000.06938000.05713000.02258000.0
Percentage of DefinedBenefitPensionPlanLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeAssets

us-gaap:EnergyRelatedDerivative, us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-31
Value164369405
Percentage of DerivativeAssets100.0100.0100.0

us-gaap:InterestRateContract, us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-31
Value-15.456-11.858-1.219
Percentage of DerivativeAssets-9.4-3.2-0.3

us-gaap:DerivativeAssetsCurrent

us-gaap:DerivativeAssetsCurrent


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value19731224740
Percentage of DerivativeAssetsCurrent100.0100.0100.0100.0

us-gaap:DerivativeAssetsCurrent us-gaap:DerivativeInstrumentRisk

cnx:CommoditySwap


None
Period End2020-06-302020-03-312019-12-31
Value187296234
Percentage of DerivativeAssetsCurrent94.894.994.5

us-gaap:BasisSwap


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value101513254.9344.971111010251425122.74556559.1886.7825.4296.252.771.064
Percentage of DerivativeAssetsCurrent5.15.05.50.00.00.028.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateSwap


None
Period End2020-06-302020-03-312019-12-31
Value0.2050.1970.0
Percentage of DerivativeAssetsCurrent0.10.10.0

us-gaap:DerivativeAssetsNoncurrent

us-gaap:DerivativeAssetsNoncurrent


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value212258314213
Percentage of DerivativeAssetsNoncurrent100.0100.0100.0100.0

us-gaap:DerivativeAssetsNoncurrent us-gaap:DerivativeInstrumentRisk

cnx:CommoditySwap


None
Period End2020-06-302020-03-312019-12-31
Value197244288
Percentage of DerivativeAssetsNoncurrent92.994.791.9

us-gaap:BasisSwap


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value131225201314482935432414111235366.9994.461.0930.4470.0
Percentage of DerivativeAssetsNoncurrent6.54.88.10.00.00.022.90.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateSwap


None
Period End2020-06-302020-03-312019-12-31
Value1.2221.2140.0
Percentage of DerivativeAssetsNoncurrent0.60.50.0

us-gaap:DerivativeBasisSpreadOnVariableRate us-gaap:DerivativeInstrumentRisk, us-gaap:Position

us-gaap:DerivativeBasisSpreadOnVariableRate

cnx:InterestRateSwapOnRevolvingCreditFacility, us-gaap:Long


None
Period End2020-03-31
Value0
Percentage of DerivativeBasisSpreadOnVariableRate0.0

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesCurrent


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value83494061
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesCurrent us-gaap:DerivativeInstrumentRisk

cnx:CommoditySwap


None
Period End2020-06-302020-03-312019-12-31
Value245.0280.345
Percentage of DerivativeLiabilitiesCurrent29.510.20.8

us-gaap:BasisSwap


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value54411054346474026261717333924114.2757.6935.557120.00.327
Percentage of DerivativeLiabilitiesCurrent65.583.7257.40.00.00.065.20.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateSwap


None
Period End2020-06-302020-03-312019-12-31
Value4.1412.9610.495
Percentage of DerivativeLiabilitiesCurrent5.06.01.2

us-gaap:DerivativeLiabilitiesNoncurrent

us-gaap:DerivativeLiabilitiesNoncurrent


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value17816311592
Percentage of DerivativeLiabilitiesNoncurrent100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent us-gaap:DerivativeInstrumentRisk

cnx:CommoditySwap


None
Period End2020-06-302020-03-312019-12-31
Value29239.693
Percentage of DerivativeLiabilitiesNoncurrent16.414.08.4

us-gaap:BasisSwap


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value136130409897812726201535191870216.90912191.5691.6280.0
Percentage of DerivativeLiabilitiesNoncurrent76.479.735.30.00.00.029.30.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateSwap


None
Period End2020-06-302020-03-312019-12-31
Value12100.724
Percentage of DerivativeLiabilitiesNoncurrent7.26.30.6

us-gaap:DerivativeNotionalAmount us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNotionalAmount

us-gaap:InterestRateSwap


None
Period End2020-06-302020-03-312019-12-31
Value581585160
Percentage of DerivativeNotionalAmount100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-31
Value5.1782.626219.774206.6152424
Percentage of EmployeeRelatedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOwnershipPercentage

cnx:CNXGatheringLLC


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-032017-12-312017-12-142017-12-13
Value1.01.01.00.50.50.50.50.50.50.50.50.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestments us-gaap:ConsolidationItems

us-gaap:EquityMethodInvestments

us-gaap:OperatingSegments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value15161617171718192220197190190
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7295000.07200000.07164000.07203000.07133000.07182000.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.2256.0957.7069.41012
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedCustomerRelationshipsGross

us-gaap:FiniteLivedCustomerRelationshipsGross


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value1091091091091091091091280.0
Percentage of FiniteLivedCustomerRelationshipsGross100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value161413119.8298.196.5521.9220.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:GuaranteeObligationsMaximumExposure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value31031031130330229727827629127245110231049107310991060103910991138121613461465153415581612110310991098109216671604161716421555156016091623
Percentage of GuaranteeObligationsMaximumExposure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-31
Value1141156211113113149402720311051151241160.00.01.871136421202041474.434101.936.6020.0120.011445.03132
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0

us-gaap:IncomeTaxesReceivable us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value114115621111311314940272031101112121
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.096.397.097.3

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2525302826323738733754519352113631136311363113631136311362114648.5
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsAndCash us-gaap:ConsolidationItems

us-gaap:InvestmentsAndCash

us-gaap:MaterialReconcilingItems


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1931165.48432231742548250928129153
Percentage of InvestmentsAndCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCredit us-gaap:CreditFacility

us-gaap:LineOfCredit

us-gaap:RevolvingCreditFacility


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value5504376616136305146124394220.00.0
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:LineOfCredit us-gaap:CreditFacility, dei:LegalEntity

us-gaap:RevolvingCreditFacility, cnx:CNXM


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value31934731184
Percentage of LineOfCredit58.079.447.213.7

us-gaap:LineOfCredit us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCredit, cnx:CSGHoldingsFacility


None
Period End2020-06-30
Value48
Percentage of LineOfCredit8.9

us-gaap:LineOfCredit, cnx:CardinalStatesFacility


None
Period End2020-06-30
Value122
Percentage of LineOfCredit22.3

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:RevolvingCreditFacility


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value11451458123412871271139212891409142618461260
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility, dei:LegalEntity

us-gaap:RevolvingCreditFacility, cnx:CNXM


None
Period End2020-06-302020-03-312018-12-31
Value280253516
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity24.517.440.0

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtFairValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value25552308261925052495237922902169232922642281
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:OtherAccruedLiabilitiesCurrentAndNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value162197216241286223680450602565768770
Percentage of OtherAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssets

us-gaap:OtherAssets


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value873142614091346131811481125111610932893753834614176356494794554554604824304295645205059228569209409181246128713011190805790826
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:OtherAssetsMiscellaneousNoncurrent


None
Period End2020-06-302019-12-31
Value1315
Percentage of OtherAssetsMiscellaneousNoncurrent100.0100.0

us-gaap:OtherReceivablesGrossCurrent

us-gaap:OtherReceivablesGrossCurrent


None
Period End2020-06-302020-03-312019-12-31
Value121516
Percentage of OtherReceivablesGrossCurrent100.0100.0100.0

us-gaap:OtherReceivablesNetCurrent

us-gaap:OtherReceivablesNetCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value7.66910131111101110174348777710069809414912213921926334738239023924316015115313186105
Percentage of OtherReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value101217213165426165569295796444931251032822982531722031931017897135162137115157170195260239184118132142161
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod

us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12121209120811571150113519991950196719822016193319281925192217901770176617681684168316731670160115971600160615461542154215421307167116601662186
Percentage of ProvedOilAndGasPropertySuccessfulEffortMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue


None
Period End2020-06-302020-03-312019-12-312019-06-302013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value0.7380.8530.00.00.0120.00.0480.0
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValue100.0100.00.00.00.0100.00.00.0100.00.0

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-06-302019-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value5.5765.340.00.00.00.00.00.020202020222220202020
Percentage of RestrictedCashAndCashEquivalentsNoncurrent100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value13714515615514215616752552.299
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnamortizedDebtIssuanceExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value14168.999.56810108.7969.522111517222425272930313338
Percentage of UnamortizedDebtIssuanceExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnamortizedDebtIssuanceExpense us-gaap:DebtInstrument, us-gaap:LongtermDebtType

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


None
Period End2020-06-30
Value6.862
Percentage of UnamortizedDebtIssuanceExpense47.3

us-gaap:UnitsOfPartnershipInterestAmount us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:LimitedPartnersCapitalAccountByClass, us-gaap:SubsequentEventType

us-gaap:UnitsOfPartnershipInterestAmount

us-gaap:VariableInterestEntityPrimaryBeneficiary, srt:ScenarioForecast, cnx:CommonUnits, us-gaap:SubsequentEvent


None
Period End2022-01-01
Value50
Percentage of UnitsOfPartnershipInterestAmount100.0

us-gaap:UnitsOfPartnershipInterestAmount us-gaap:StatementScenario, us-gaap:LimitedPartnersCapitalAccountByClass, us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

srt:ScenarioForecast, cnx:CommonUnits, us-gaap:SubsequentEvent, us-gaap:VariableInterestEntityPrimaryBeneficiary


None
Period End2022-01-01
Value50
Percentage of UnitsOfPartnershipInterestAmount100.0

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7587567559499469279191031103110451116142914221421142115491570136415401411140714041463138313711321126612921270126912581507221422182206284
Percentage of UnprovedOilAndGasPropertySuccessfulEffortMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312013-12-312012-12-312011-12-312010-12-31
Value0.00.00.00.00.00.00.00.8970.8140.7280.6440.5390.4610.3850.3050.2420.180.0536.24.8315.37310
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued0.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value333131313131313129299.103124.2651.6511.6511.6512.0712.0712.0712.0712.0713.8913.8913.8913.8911616161615151515
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
None
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
None
us-gaap:Revenues
us-gaap:MajorCustomers
(None,)
None
us-gaap:Revenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
None
us-gaap:Revenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems
('us-gaap:OperatingSegments', 'us-gaap:ExplorationAndProductionEquipment', None, 'us-gaap:ReportableSubsegments')
None
us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService
(None,)
None
us-gaap:OperatingExpenses
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems
('us-gaap:OperatingSegments', 'us-gaap:ExplorationAndProductionEquipment', None, 'us-gaap:ReportableSubsegments')
None
us-gaap:OperatingExpenses
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
None
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
us-gaap:ConsolidationItems
(None,)
None
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
None
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems
('us-gaap:OperatingSegments', 'us-gaap:ExplorationAndProductionEquipment', None, 'us-gaap:ReportableSubsegments')
None
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:Assets
us-gaap:ConsolidationItems
(None,)
None
us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
None
us-gaap:AssetsCurrent
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
('us-gaap:VariableInterestEntityPrimaryBeneficiary', None)
None
us-gaap:LiabilitiesCurrent
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
('us-gaap:VariableInterestEntityPrimaryBeneficiary', None)
None
us-gaap:LiabilitiesNoncurrent
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
('us-gaap:VariableInterestEntityPrimaryBeneficiary', None)
None
us-gaap:LongTermDebt
us-gaap:DebtInstrument
(None,)
None
us-gaap:LongTermDebt
us-gaap:CreditFacility, us-gaap:DebtInstrument
('us-gaap:LineOfCredit', None)
None
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
None